Central Taxonomic Thesaurus

Taxon Search
Organism
  Plantae
            Magnoliopsida
                    Asterales
                            Asteraceae
                                   [Compositae]
                                    Aaronsohnia
                                            Aaronsohnia factorovskyi
                                    Achaetogeron
                                            Achaetogeron chihuahuensis
                                    Actinea
                                    Actinomeris
                                    Apogon
                              Asteroideae
                                    Abrotanella
                                            Abrotanella emarginata
                                            Abrotanella forsterioides
                                            Abrotanella linearifolia
                                            Abrotanella linearis
                                    Acamptopappus
                                            Acamptopappus shockleyi
                                            Acamptopappus sphaerocephalus
                                              Acamptopappus sphaerocephalus var. hirtellus
                                    Acanthospermum
                                            Acanthospermum australe
                                                   [Acanthospermum xanthioides]
                                            Acanthospermum glabratum
                                            Acanthospermum hispidum
                                            Acanthospermum humile
                                            Acanthospermum microcarpum
                                    Acanthostyles
                                            Acanthostyles buniifolius
                                                   [Eupatorium buniifolium]
                                    Achillea
                                            Achillea aegyptiaca
                                            Achillea ageratifolia
                                              Achillea ageratifolia subsp. serbica
                                            Achillea ageratum
                                            Achillea alpina
                                              Achillea alpina subsp. alpina
                                                     [Achillea sibirica]
                                              Achillea alpina subsp. japonica
                                                     [Achillea sibirica subsp. japonica]
                                              Achillea alpina subsp. multiflora
                                                     [Achillea multiflora]
                                              Achillea alpina subsp. subcartilaginea
                                                     [Achillea sibirica subsp. subcartilaginea]
                                              Achillea alpina var. discoidea
                                                     [Achillea sibirica var. discoidea]
                                            Achillea arabica
                                                   [Achillea biebersteinii]
                                            Achillea asiatica
                                            Achillea aspleniifolia
                                                   [Achillea asplenifolia]
                                                   [Achillea millefolium f. rosea]
                                            Achillea atrata
                                            Achillea barrelieri
                                              Achillea barrelieri subsp. elegans
                                                     [Achillea elegans]
                                            Achillea biserrata
                                            Achillea borealis
                                              Achillea borealis subsp. californica
                                              Achillea borealis var. californica
                                            Achillea chamaemelifolia
                                            Achillea chrysocoma
                                            Achillea clavennae
                                                   [Achillea clavennae var. intercedens]
                                            Achillea conferta
                                            Achillea distans
                                              Achillea distans subsp. distans
                                                     [Achillea dentifera]
                                              Achillea distans subsp. stricta
                                                     [Achillea stricta]
                                            Achillea erba-rotta
                                              Achillea erba-rotta subsp. moschata
                                                     [Achillea moschata]
                                            Achillea falcata
                                            Achillea fraasii
                                            Achillea grandifolia
                                            Achillea impatiens
                                                   [Ptarmica impatiens]
                                            Achillea leptophylla
                                            Achillea ligustica
                                            Achillea lingulata
                                            Achillea macrophylla
                                            Achillea maritima
                                              Achillea maritima subsp. maritima
                                                     [Diotis candidissima]
                                                     [Diotis maritima]
                                            Achillea maura
                                            Achillea micrantha
                                            Achillea micranthoides
                                            Achillea millefolium
                                              Achillea millefolium subsp. millefolium
                                                     [Achillea lanata]
                                                     [Achillea millefolium f. rubicunda]
                                              Achillea millefolium var. alpicola
                                                     [Achillea lanulosa subsp. alpicola]
                                                     [Achillea subalpina]
                                              Achillea millefolium var. arenicola
                                                     [Achillea borealis var. arenicola]
                                              Achillea millefolium var. borealis
                                                     [Achillea millefolium var. parviligula]
                                              Achillea millefolium var. maritima
                                              Achillea millefolium var. nigrescens
                                              Achillea millefolium var. occidentalis
                                                     [Achillea lanulosa]
                                                     [Achillea millefolium var. lanulosa]
                                                     [Achillea rosea]
                                            Achillea nana
                                            Achillea nobilis
                                              Achillea nobilis subsp. neilreichii
                                                     [Achillea neilreichii]
                                            Achillea ochroleuca
                                            Achillea odorata
                                            Achillea pannonica
                                            Achillea pectinata
                                            Achillea ptarmica
                                                  Achillea ptarmica f. multiplex
                                              Achillea ptarmica subsp. macrocephala
                                              Achillea ptarmica var. macrocephala
                                            Achillea ptarmicifolia
                                            Achillea ptarmicoides
                                                   [Achillea sibirica subsp. ptarmicoides]
                                            Achillea pyrenaica
                                            Achillea salicifolia
                                              Achillea salicifolia subsp. salicifolia
                                                     [Achillea cartilaginea]
                                                     [Ptarmica salicifolia]
                                            Achillea santolina
                                            Achillea santolinoides
                                            Achillea setacea
                                            Achillea tanacetifolia
                                            Achillea tomentosa
                                            Achillea umbellata
                                            Achillea virescens
                                            Achillea × serrata
                                                   [Achillea decolorans]
                                    Achyrachaena
                                            Achyrachaena mollis
                                    Achyranthemum
                                            Achyranthemum mucronatum
                                                   [Helichrysum mucronatum]
                                            Achyranthemum paniculatum
                                                   [Helichrysum paniculatum]
                                            Achyranthemum sordescens
                                                   [Helichrysum sordescens]
                                            Achyranthemum striatum
                                                   [Helichrysum striatum]
                                    Achyrocline
                                            Achyrocline alata
                                            Achyrocline bogotensis
                                            Achyrocline flaccida
                                            Achyrocline glandulosa
                                            Achyrocline hallii
                                            Achyrocline mollis
                                            Achyrocline vargasiana
                                            Achyrocline vauthieriana
                                    Achyropappus
                                            Achyropappus anthemoides
                                                   [Schkuhria anthemoides]
                                    Acmella
                                            Acmella caulirhiza
                                                   [Spilanthes caulirhiza]
                                            Acmella ciliata
                                                   [Spilanthes ciliata]
                                            Acmella decumbens
                                                   [Spilanthes decumbens]
                                            Acmella filipes
                                                   [Spilanthes filipes]
                                            Acmella grisea
                                                   [Spilanthes grisea]
                                            Acmella iodiscaea
                                                   [Spilanthes iodiscaea]
                                            Acmella leucantha
                                            Acmella oleracea
                                                   [Spilanthes oleracea]
                                            Acmella oppositifolia
                                                   [Heliopsis buphthalmoides]
                                            Acmella paniculata
                                                   [Spilanthes paniculata]
                                            Acmella pusilla
                                                   [Spilanthes pusilla]
                                            Acmella radicans
                                                   [Spilanthes radicans]
                                            Acmella uliginosa
                                                   [Spilanthes uliginosa]
                                    Acrisione
                                            Acrisione cymosa
                                                   [Senecio cymosus]
                                            Acrisione denticulata
                                                   [Senecio yegua var. depilis]
                                                   [Senecio yegua]
                                    Acritopappus
                                            Acritopappus harleyi
                                            Acritopappus pereirae
                                            Acritopappus pintoi
                                            Acritopappus prunifolius
                                            Acritopappus subtomentosus
                                    Adeia
                                            Adeia whitneyi
                                                   [Haplopappus whitneyi]
                                    Adenophyllum
                                            Adenophyllum anomalum
                                                   [Dyssodia anomala]
                                            Adenophyllum aurantium
                                                   [Dyssodia aurantia]
                                            Adenophyllum cancellatum
                                                   [Dyssodia cancellata]
                                            Adenophyllum cooperi
                                                   [Dyssodia cooperi]
                                            Adenophyllum porophylloides
                                                   [Dyssodia porophylloides]
                                            Adenophyllum porophyllum
                                                   [Dyssodia porophyllum]
                                            Adenophyllum squamosum
                                                   [Dyssodia squamosa]
                                    Adenostemma
                                            Adenostemma brasilianum
                                            Adenostemma harlingii
                                            Adenostemma lavenia
                                            Adenostemma viscosum
                                                   [Adenostemma perrottetii]
                                            Adenostemma zakii
                                    Adenostyles
                                            Adenostyles alliariae
                                              Adenostyles alliariae subsp. alliariae
                                                     [Adenostyles albifrons]
                                                     [Adenostyles petasites]
                                            Adenostyles alpina
                                              Adenostyles alpina subsp. alpina
                                                     [Adenostyles glabra]
                                            Adenostyles leucophylla
                                    Aequatorium
                                            Aequatorium asterotrichum
                                            Aequatorium jamesonii
                                            Aequatorium latibracteolatum
                                            Aequatorium lepidotum
                                    Aetheolaena
                                            Aetheolaena betonicifolia
                                                   [Aetheolaena decipiens]
                                            Aetheolaena mochensis
                                            Aetheolaena patens
                                                   [Senecio bullatus]
                                                   [Senecio patens]
                                            Aetheolaena rosana
                                            Aetheolaena subinvolucrata
                                    Afroaster
                                            Afroaster hispida
                                                   [Aster asper]
                                            Afroaster hispidus
                                                   [Aster bakerianus]
                                            Afroaster perfoliatus
                                                   [Aster perfoliatus]
                                    Ageratella
                                            Ageratella microphylla
                                              Ageratella microphylla var. palmeri
                                                     [Ageratella palmeri]
                                    Ageratina
                                            Ageratina adenophora
                                                   [Eupatorium adenophorum]
                                            Ageratina altissima
                                                   [Eupatorium rugosum f. villicaule]
                                                   [Eupatorium rugosum var. tomentellum]
                                            Ageratina ampla
                                                   [Eupatorium amplum]
                                            Ageratina anisochroma
                                                   [Eupatorium anisochromum]
                                            Ageratina arbutifolia
                                                   [Eupatorium arbutifolium]
                                            Ageratina areolaris
                                                   [Eupatorium areolare]
                                            Ageratina bellidifolia
                                                   [Eupatorium bellidifolium]
                                            Ageratina brevipes
                                                   [Eupatorium brevipes]
                                            Ageratina calaminthifolia
                                                   [Eupatorium calaminthifolium]
                                            Ageratina cardiophylla
                                                   [Eupatorium cardiophyllum]
                                            Ageratina cerifera
                                            Ageratina chiapensis
                                                   [Eupatorium chiapense]
                                            Ageratina chimalapana
                                            Ageratina chiriquensis
                                                   [Eupatorium chiriquense]
                                            Ageratina conspicua
                                                   [Eupatorium skutchii]
                                            Ageratina cuencana
                                            Ageratina cuzcoensis
                                                   [Eupatorium cuzcoense]
                                            Ageratina espinosarum
                                                   [Eupatorium espinosarum]
                                            Ageratina glabrata
                                                   [Eupatorium glabratum]
                                            Ageratina glechonophylla
                                                   [Eupatorium glechonophyllum]
                                            Ageratina gloeoclada
                                                   [Eupatorium gloeocladum]
                                            Ageratina glyptophlebia
                                                   [Eupatorium glyptophlebium]
                                            Ageratina gracilis
                                                   [Eupatorium gracile var. epilobioides]
                                            Ageratina havanensis
                                                   [Eupatorium havanense]
                                            Ageratina herbacea
                                                   [Eupatorium arizonicum]
                                                   [Eupatorium herbaceum]
                                            Ageratina illita
                                                   [Eupatorium illitum]
                                            Ageratina jucunda
                                                   [Eupatorium jucundum]
                                            Ageratina lasioneura
                                                   [Eupatorium chapalense]
                                            Ageratina ligustrina
                                                   [Eupatorium ligustrinum]
                                            Ageratina luciae-brauniae
                                                   [Eupatorium deltoides]
                                            Ageratina mairetiana
                                                   [Eupatorium mairetianum]
                                            Ageratina occidentalis
                                                   [Eupatorium occidentale]
                                            Ageratina palmeri
                                                   [Piptothrix palmeri]
                                            Ageratina paramensis
                                            Ageratina paupercula
                                                   [Eupatorium pauperculum]
                                            Ageratina pazcuarensis
                                                   [Eupatorium fraseri]
                                                   [Eupatorium grandidentatum]
                                                   [Eupatorium pazcuarense]
                                            Ageratina pentlandiana
                                                   [Eupatorium pentlandianum]
                                            Ageratina petiolaris
                                                   [Eupatorium petiolare]
                                            Ageratina pichinchensis
                                                   [Eupatorium aschenbornianum]
                                                   [Eupatorium donnell-smithii]
                                            Ageratina prunellifolia
                                                   [Eupatorium saltivarii]
                                            Ageratina pseudochilca
                                                   [Eupatorium pseudochilca]
                                            Ageratina ramonensis
                                                   [Eupatorium ramonense]
                                            Ageratina resiniflua
                                                   [Eupatorium resinifluum]
                                            Ageratina rhomboidea
                                                   [Eupatorium calaminthifolium var. pleuridentatum]
                                            Ageratina riparia
                                                   [Eupatorium riparium]
                                            Ageratina rothrockii
                                                   [Eupatorium rothrockii]
                                            Ageratina scopulorum
                                                   [Eupatorium scopulorum]
                                            Ageratina sternbergiana
                                                   [Eupatorium sternbergianum]
                                            Ageratina thyrsiflora
                                                   [Eupatorium thyrsiflorum]
                                            Ageratina tinifolia
                                                   [Eupatorium tinifolium]
                                            Ageratina urbani
                                            Ageratina venulosa
                                                   [Eupatorium venulosum]
                                            Ageratina wrightii
                                                   [Eupatorium wrightii]
                                    Ageratum
                                            Ageratum conyzoides
                                            Ageratum corymbosum
                                                   [Ageratum coelestinum]
                                                   [Ageratum corymbosum f. albiflorum]
                                                   [Ageratum corymbosum f. lactiflorum]
                                            Ageratum gaumeri
                                                  Ageratum gaumeri f. fallax
                                            Ageratum houstonianum
                                                   [Ageratum mexicanum]
                                            Ageratum iltisii
                                            Ageratum maritimum
                                                   [Ageratum littorale]
                                            Ageratum microcarpum
                                                   [Alomia microcarpa]
                                            Ageratum myriadenium
                                                   [Alomia myriadenia]
                                            Ageratum oerstedii
                                                   [Ageratum conyzoides subsp. latifolium]
                                            Ageratum paleaceum
                                            Ageratum riparium
                                    Agnorhiza
                                            Agnorhiza bolanderi
                                                   [Balsamorhiza bolanderi]
                                            Agnorhiza elata
                                                   [Wyethia elata]
                                            Agnorhiza invenusta
                                                   [Balsamorhiza invenusta]
                                            Agnorhiza ovata
                                                   [Wyethia coriacea]
                                                   [Wyethia ovata]
                                            Agnorhiza reticulata
                                                   [Wyethia reticulata]
                                    Ajania
                                            Ajania fruticulosa
                                            Ajania gracilis
                                                   [Tanacetum gracile]
                                            Ajania pacifica
                                                   [Chrysanthemum pacificum]
                                            Ajania remotipinna
                                                   [Chrysanthemum remotipinnum]
                                            Ajania shiwogiku
                                                   [Chrysanthemum shiwogiku]
                                            Ajania trifida
                                                   [Tanacetum trifidum]
                                    Aldama
                                            Aldama angustifolia
                                                   [Viguiera angustifolia]
                                            Aldama congesta
                                                   [Agiabampoa congesta]
                                                   [Alvordia angusta]
                                            Aldama cordifolia
                                                   [Viguiera cordifolia]
                                            Aldama dentata
                                                   [Sclerocarpus coffeaecola]
                                                   [Sclerocarpus dentatus]
                                            Aldama fruticosa
                                                   [Alvordia fruticosa]
                                            Aldama fusiformis
                                                   [Viguiera fusiformis]
                                            Aldama helianthoides
                                                   [Viguiera pflanzii]
                                                   [Viguiera procumbens]
                                            Aldama incana
                                                   [Viguiera incana]
                                            Aldama media
                                                   [Viguiera media]
                                            Aldama mollis
                                                   [Viguiera mollis]
                                            Aldama nervosa
                                                   [Viguiera nervosa]
                                            Aldama pringlei
                                                   [Viguiera pringlei]
                                            Aldama purisimae
                                                   [Viguiera purisimae]
                                            Aldama revoluta
                                                   [Flourensia corymbosa]
                                                   [Flourensia gayana]
                                                   [Viguiera revoluta]
                                            Aldama sodiroi
                                                   [Viguiera sodiroi]
                                            Aldama trichophylla
                                                   [Viguiera trichophylla]
                                            Aldama tuberosa
                                                   [Viguiera tuberosa]
                                    Allagopappus
                                            Allagopappus canariensis
                                                   [Allagopappus dichotomus]
                                            Allagopappus viscosissimus
                                    Allardia
                                            Allardia glabra
                                                   [Waldheimia glabra]
                                            Allardia nivea
                                                   [Waldheimia nivea]
                                            Allardia tomentosa
                                                   [Waldheimia tomentosa]
                                    Alloispermum
                                            Alloispermum caracasanum
                                                   [Calea caracasana]
                                            Alloispermum pachensis
                                                   [Calea pachensis]
                                            Alloispermum palmeri
                                                   [Calea palmeri]
                                            Alloispermum scabrifolium
                                                   [Calea scabrifolia]
                                            Alloispermum scabrum
                                                   [Calea peduncularis]
                                                   [Calea scabra var. peduncularis]
                                                   [Calea scabra]
                                    Alomia
                                    Amauria
                                            Amauria rotundifolia
                                    Amblyolepis
                                            Amblyolepis setigera
                                    Amblyopappus
                                            Amblyopappus pusillus
                                    Ambrosia
                                            Ambrosia acanthicarpa
                                                   [Franseria acanthicarpa]
                                                   [Franseria hookeriana]
                                            Ambrosia acuminata
                                                   [Franseria acuminata]
                                            Ambrosia ambrosioides
                                                   [Franseria ambrosioides]
                                            Ambrosia arborescens
                                                   [Franseria artemisioides]
                                            Ambrosia artemisiifolia
                                              Ambrosia artemisiifolia var. elatior
                                                     [Ambrosia elatior]
                                            Ambrosia artemisioides
                                                   [Franseria meyeniana]
                                            Ambrosia bidentata
                                            Ambrosia bryantii
                                            Ambrosia camphorata
                                                   [Franseria bipinnatifida]
                                                   [Franseria camphorata var. leptophylla]
                                                   [Franseria camphorata]
                                            Ambrosia canescens
                                            Ambrosia chamissonis
                                                   [Franseria chamissonis subsp. bipinnatisecta]
                                                   [Franseria chamissonis]
                                            Ambrosia cheiranthifolia
                                            Ambrosia chenopodiifolia
                                                   [Franseria chenopodiifolia]
                                            Ambrosia confertiflora
                                                   [Franseria confertiflora]
                                            Ambrosia cordifolia
                                                   [Franseria cordifolia]
                                            Ambrosia cumanensis
                                            Ambrosia deltoidea
                                                   [Franseria deltoidea]
                                            Ambrosia dumosa
                                                   [Franseria dumosa]
                                            Ambrosia eriocentra
                                                   [Franseria eriocentra]
                                            Ambrosia hispida
                                            Ambrosia ilicifolia
                                                   [Franseria ilicifolia]
                                            Ambrosia linearis
                                                   [Franseria linearis]
                                            Ambrosia magdalenae
                                                   [Franseria magdalenae]
                                            Ambrosia maritima
                                            Ambrosia monogyra
                                                   [Hymenoclea monogyra]
                                            Ambrosia peruviana
                                            Ambrosia polystachya
                                            Ambrosia psilostachya
                                                   [Ambrosia psilostachya var. californica]
                                                   [Ambrosia psilostachya var. coronopifolia]
                                            Ambrosia pumila
                                            Ambrosia salsola
                                                   [Hymenoclea salsola]
                                              Ambrosia salsola var. fasciculata
                                                     [Hymenoclea fasciculata]
                                              Ambrosia salsola var. pentalepis
                                                     [Hymenoclea pentalepis]
                                                     [Hymenoclea salsola var. pentalepis]
                                            Ambrosia scabra
                                            Ambrosia tenuifolia
                                                   [Franseria tenuifolia]
                                            Ambrosia tomentosa
                                                   [Franseria discolor]
                                            Ambrosia trifida
                                                   [Ambrosia aptera]
                                                   [Ambrosia integrifolia]
                                            Ambrosia velutina
                                    Amellus
                                            Amellus strigosus
                                    Ammobium
                                            Ammobium alatum
                                                  Ammobium alatum f. grandiflorum
                                    Ampelaster
                                            Ampelaster carolinianus
                                                   [Aster carolinianus]
                                    Amphiachyris
                                            Amphiachyris dracunculoides
                                                   [Xanthocephalum dracunculoides]
                                    Amphipappus
                                            Amphipappus fremontii
                                                   [Amphiachyris fremontii]
                                    Anacyclus
                                            Anacyclus clavatus
                                            Anacyclus linearilobus
                                            Anacyclus pyrethrum
                                                   [Anacyclus officinarum]
                                            Anacyclus radiatus
                                    Anaphalioides
                                            Anaphalioides bellidioides
                                                   [Helichrysum bellidioides]
                                    Anaphalis
                                            Anaphalis beddomei
                                            Anaphalis leptophylla
                                            Anaphalis margaritacea
                                              Anaphalis margaritacea var. angustifolia
                                                     [Anaphalis margaritacea var. japonica]
                                            Anaphalis nagasawai
                                            Anaphalis sinica
                                            Anaphalis wightiana
                                    Anaxeton
                                            Anaxeton asperum
                                    Ancistrocarphus
                                            Ancistrocarphus filagineus
                                                   [Stylocline filaginea]
                                    Andicolea
                                           [Loricaria]
                                            Andicolea azuayensis
                                                   [Loricaria azuayensis]
                                            Andicolea ollgaardii
                                                   [Loricaria ollgaardii]
                                            Andicolea scolopendra
                                                   [Loricaria scolopendra]
                                            Andicolea thuyoides
                                                   [Tafalla thuyoides]
                                            Andicolea unduaviensis
                                                   [Loricaria unduaviensis]
                                    Angianthus
                                            Angianthus preissianus
                                                   [Angianthus eriocephalus]
                                    Anisocarpus
                                            Anisocarpus madioides
                                                   [Madia madioides]
                                                   [Madia nuttallii]
                                            Anisocarpus scabridus
                                                   [Raillardella scabrida]
                                    Anisopappus
                                            Anisopappus burundiensis
                                            Anisopappus chinensis
                                            Anisopappus stuhlmannii
                                                   [Duhaldea stuhlmannii]
                                    Antennaria
                                            Antennaria alpina
                                                   [Antennaria borealis]
                                                   [Antennaria pallida]
                                            Antennaria anaphaloides
                                            Antennaria argentea
                                            Antennaria aromatica
                                            Antennaria chilensis
                                              Antennaria chilensis var. magellanica
                                                     [Antennaria magellanica]
                                            Antennaria corymbosa
                                            Antennaria dimorpha
                                            Antennaria dioica
                                                   [Antennaria dioica var. congesta]
                                            Antennaria flagellaris
                                            Antennaria friesiana
                                              Antennaria friesiana subsp. alaskana
                                                     [Antennaria alaskana]
                                            Antennaria geyeri
                                            Antennaria howellii
                                              Antennaria howellii subsp. canadensis
                                                     [Antennaria canadensis]
                                              Antennaria howellii subsp. neodioica
                                                     [Antennaria neodioica var. attenuata]
                                                     [Antennaria neodioica var. chlorophylla]
                                                     [Antennaria neodioica var. interjecta]
                                                     [Antennaria neodioica]
                                                     [Antennaria obovata]
                                              Antennaria howellii subsp. petaloidea
                                                     [Antennaria petaloidea var. noveboracensis]
                                                     [Antennaria petaloidea]
                                            Antennaria lanata
                                            Antennaria luzuloides
                                              Antennaria luzuloides subsp. aberrans
                                                     [Antennaria microcephala]
                                            Antennaria marginata
                                            Antennaria media
                                            Antennaria microphylla
                                            Antennaria monocephala
                                            Antennaria neglecta
                                            Antennaria parlinii
                                              Antennaria parlinii subsp. fallax
                                                     [Antennaria ambigens]
                                                     [Antennaria fallax]
                                                     [Antennaria farwellii]
                                                     [Antennaria occidentalis]
                                              Antennaria parlinii subsp. parlinii
                                                     [Antennaria arnoglossa]
                                                     [Antennaria parlinii var. arnoglossa]
                                            Antennaria parvifolia
                                                   [Antennaria aprica]
                                              Antennaria parvifolia var. rosea
                                            Antennaria plantaginifolia
                                              Antennaria plantaginifolia var. parlinii
                                            Antennaria pulcherrima
                                              Antennaria pulcherrima subsp. pulcherrima
                                                     [Antennaria carpathica var. pulcherrima]
                                            Antennaria racemosa
                                            Antennaria rosea
                                              Antennaria rosea subsp. arida
                                                     [Antennaria arida]
                                              Antennaria rosea subsp. confinis
                                                     [Antennaria sedoides]
                                              Antennaria rosea subsp. pulvinata
                                                     [Antennaria gaspensis]
                                              Antennaria rosea subsp. rosea
                                                     [Antennaria dioica var. rosea]
                                            Antennaria rosulata
                                            Antennaria soliceps
                                            Antennaria solitaria
                                            Antennaria stenophylla
                                                   [Antennaria alpina var. stenophylla]
                                            Antennaria umbrinella
                                            Antennaria virginica
                                    Anthemis
                                            Anthemis altissima
                                            Anthemis arabica
                                            Anthemis arvensis
                                              Anthemis arvensis subsp. arvensis
                                                     [Anthemis arvensis var. agrestis]
                                            Anthemis aurea
                                            Anthemis boveana
                                            Anthemis breviradiata
                                            Anthemis candidissima
                                            Anthemis chrysantha
                                            Anthemis cossoniana
                                            Anthemis cotula
                                            Anthemis cretica
                                              Anthemis cretica subsp. carpatica
                                                     [Anthemis carpatica]
                                            Anthemis didymaea
                                            Anthemis glaberrima
                                            Anthemis haussknechtii
                                                   [Anthemis damascena]
                                            Anthemis maritima
                                            Anthemis mauritiana
                                              Anthemis mauritiana subsp. mauritiana
                                                     [Anthemis mauritii]
                                            Anthemis montana
                                            Anthemis pedunculata
                                            Anthemis pseudocotula
                                            Anthemis ruthenica
                                            Anthemis scariosa
                                            Anthemis sterilis
                                            Anthemis zoharyana
                                    Anvillea
                                            Anvillea garcinii
                                              Anvillea garcinii subsp. radiata
                                                     [Anvillea radiata]
                                    Aphanactis
                                            Aphanactis antisanensis
                                            Aphanactis barclayae
                                            Aphanactis jamesoniana
                                    Aphanostephus
                                            Aphanostephus pilosus
                                            Aphanostephus ramosissimus
                                              Aphanostephus ramosissimus var. humilis
                                                     [Aphanostephus humilis]
                                            Aphanostephus riddellii
                                            Aphanostephus skirrhobasis
                                                   [Aphanostephus arkansanus var. hallii]
                                              Aphanostephus skirrhobasis var. thalassius
                                            Aphanostephus skirrobasis
                                                   [Aphanostephus arkansanus]
                                                   [Egletes arkansana]
                                              Aphanostephus skirrobasis var. kidderi
                                                     [Aphanostephus kidderi]
                                    Apodocephala
                                            Apodocephala angustifolia
                                            Apodocephala begueana
                                            Apodocephala coursii
                                            Apodocephala multiflora
                                            Apodocephala oliganthoides
                                            Apodocephala urschiana
                                    Apopyros
                                            Apopyros corymbosus
                                                   [Conyza blanchetii]
                                    Apowollastonia
                                            Apowollastonia spilanthoides
                                                   [Wedelia spilanthoides]
                                    Archibaccharis
                                            Archibaccharis asperifolia
                                                   [Archibaccharis sescenticeps]
                                            Archibaccharis flexilis
                                            Archibaccharis hieracioides
                                            Archibaccharis hirtella
                                            Archibaccharis intermedia
                                                   [Archibaccharis hirtella var. intermedia]
                                            Archibaccharis taeniotricha
                                                   [Archibaccharis hirtella var. taeniotricha]
                                            Archibaccharis vulneraria
                                                   [Conyza triplinervia]
                                    Arctanthemum
                                            Arctanthemum arcticum
                                              Arctanthemum arcticum subsp. arcticum
                                                     [Chrysanthemum arcticum]
                                              Arctanthemum arcticum subsp. maekawanum
                                                     [Chrysanthemum yezoense]
                                                     [Dendranthema yezoense]
                                            Arctanthemum integrifolium
                                                   [Chrysanthemum integrifolium]
                                    Argentipallium
                                            Argentipallium obtusifolium
                                                   [Helichrysum obtusifolium]
                                    Argyranthemum
                                            Argyranthemum broussonetii
                                                   [Chrysanthemum broussonetii]
                                            Argyranthemum dissectum
                                                   [Chrysanthemum dissectum]
                                            Argyranthemum foeniculaceum
                                                   [Chrysanthemum anethifolium]
                                                   [Chrysanthemum foeniculaceum]
                                            Argyranthemum frutescens
                                              Argyranthemum frutescens subsp. frutescens
                                                     [Chrysanthemum frutescens]
                                                     [Pyrethrum frutescens]
                                            Argyranthemum lidii
                                            Argyranthemum maderense
                                                   [Chrysanthemum ochroleucum]
                                            Argyranthemum pinnatifidum
                                              Argyranthemum pinnatifidum subsp. pinnatifidum
                                                     [Chrysanthemum pinnatifidum]
                                            Argyranthemum thalassophilum
                                            Argyranthemum webbii
                                                   [Chrysanthemum webbii]
                                            Argyranthemum winteri
                                                   [Chrysanthemum winteri]
                                    Argyroxiphium
                                            Argyroxiphium caliginis
                                            Argyroxiphium grayanum
                                            Argyroxiphium kauense
                                            Argyroxiphium sandwicense
                                              Argyroxiphium sandwicense subsp. macrocephalum
                                              Argyroxiphium sandwicense subsp. sandwicense
                                            Argyroxiphium virescens
                                    Aristeguietia
                                            Aristeguietia arborea
                                            Aristeguietia chimborazensis
                                            Aristeguietia glutinosa
                                                   [Eupatorium glutinosum]
                                            Aristeguietia persicifolia
                                                   [Eupatorium persicifolium]
                                            Aristeguietia salvia
                                                   [Eupatorium salvia]
                                    Arnica
                                            Arnica acaulis
                                                   [Arnica nudicaulis]
                                            Arnica alpina
                                            Arnica amplexicaulis
                                              Arnica amplexicaulis subsp. genuina
                                            Arnica angustifolia
                                              Arnica angustifolia subsp. angustifolia
                                                     [Arnica plantaginea]
                                              Arnica angustifolia subsp. tomentosa
                                                     [Arnica tomentosa]
                                            Arnica chamissonis
                                                   [Arnica bernardina]
                                                   [Arnica chamissonis var. incana]
                                                   [Arnica foliosa var. bernardina]
                                                   [Arnica foliosa var. incana]
                                                   [Arnica foliosa]
                                                   [Arnica ocreata]
                                                   [Arnica rhizomata]
                                              Arnica chamissonis subsp. foliosa
                                              Arnica chamissonis var. foliosa
                                            Arnica cordifolia
                                                   [Arnica cordifolia var. pumila]
                                                   [Arnica pumila]
                                                   [Arnica whitneyi]
                                            Arnica dealbata
                                                   [Whitneya dealbata]
                                            Arnica discoidea
                                                   [Arnica parviflora subsp. alata]
                                                   [Arnica parviflora]
                                            Arnica fulgens
                                                   [Arnica monocephala]
                                                   [Arnica pedunculata]
                                            Arnica gracilis
                                                   [Arnica jonesii]
                                            Arnica griscomii
                                              Arnica griscomii subsp. frigida
                                                     [Arnica louiseana var. frigida]
                                              Arnica griscomii subsp. griscomii
                                                     [Arnica nutans]
                                            Arnica lanceolata
                                              Arnica lanceolata subsp. prima
                                                     [Arnica amplexifolia]
                                                     [Arnica aspera]
                                                     [Arnica elongata]
                                                     [Arnica macounii]
                                            Arnica latifolia
                                                   [Arnica betonicifolia]
                                                   [Arnica menziesii]
                                                   [Arnica platyphylla]
                                            Arnica lessingii
                                            Arnica lonchophylla
                                                   [Arnica arnoglossa]
                                            Arnica longifolia
                                                   [Arnica longifolia subsp. myriadenia]
                                            Arnica louiseana
                                            Arnica mallotopus
                                            Arnica mollis
                                                   [Arnica rivularis]
                                                   [Arnica subplumosa]
                                            Arnica montana
                                            Arnica nevadensis
                                            Arnica ovata
                                                   [Arnica diversifolia]
                                            Arnica parryi
                                                   [Arnica eradiata]
                                                   [Arnica parryi var. sonnei]
                                            Arnica rydbergii
                                            Arnica scorpioides
                                            Arnica sororia
                                            Arnica spathulata
                                            Arnica viscosa
                                    Arnoglossum
                                            Arnoglossum atriplicifolium
                                                   [Cacalia atriplicifolia]
                                            Arnoglossum ovatum
                                                   [Cacalia lanceolata]
                                    Arrowsmithia
                                            Arrowsmithia corymbosa
                                                   [Macowania corymbosa]
                                    Artemisia
                                            Artemisia abrotanum
                                            Artemisia absinthium
                                            Artemisia afra
                                            Artemisia alba
                                              Artemisia alba subsp. alba
                                                     [Artemisia biasolettiana]
                                                     [Artemisia camphorata]
                                                     [Artemisia lobelii]
                                            Artemisia albicans
                                                   [Tanacetum canum]
                                            Artemisia alpina
                                                   [Artemisia caucasica]
                                            Artemisia amygdalina
                                            Artemisia annua
                                            Artemisia anomala
                                            Artemisia arborescens
                                            Artemisia arbuscula
                                              Artemisia arbuscula subsp. arbuscula
                                                     [Artemisia tridentata subsp. arbuscula]
                                              Artemisia arbuscula subsp. thermopola
                                            Artemisia arctica
                                            Artemisia argentea
                                            Artemisia argyi
                                                   [Artemisia argyi var. incana]
                                            Artemisia argyrophylla
                                            Artemisia atrata
                                            Artemisia aurata
                                            Artemisia australis
                                            Artemisia austriaca
                                            Artemisia bargusinensis
                                            Artemisia biennis
                                            Artemisia bigelovii
                                            Artemisia borealis
                                              Artemisia borealis subsp. borealis
                                                     [Artemisia borealis f. wormskioldii]
                                                     [Artemisia purshiana]
                                            Artemisia brachyloba
                                            Artemisia brevifolia
                                            Artemisia caerulescens
                                              Artemisia caerulescens subsp. caerulescens
                                                     [Artemisia santonica]
                                              Artemisia caerulescens subsp. gallica
                                            Artemisia californica
                                            Artemisia campestris
                                              Artemisia campestris subsp. campestris
                                                     [Artemisia campestris var. fuscata]
                                                     [Artemisia glutinosa]
                                              Artemisia campestris subsp. lednicensis
                                                     [Artemisia lednicensis]
                                            Artemisia cana
                                              Artemisia cana subsp. bolanderi
                                              Artemisia cana subsp. viscidula
                                                     [Artemisia cana var. viscidula]
                                            Artemisia canadensis
                                                   [Artemisia forwoodii]
                                            Artemisia capillaris
                                            Artemisia carruthii
                                                   [Artemisia carruthii var. wrightii]
                                                   [Artemisia kansana]
                                                   [Artemisia wrightii]
                                            Artemisia carvifolia
                                                   [Artemisia apiacea]
                                            Artemisia caudata
                                            Artemisia chamaemelifolia
                                            Artemisia cina
                                            Artemisia compacta
                                            Artemisia constricta
                                                   [Tanacetum compactum]
                                            Artemisia crithmifolia
                                            Artemisia desertorum
                                            Artemisia discolor
                                            Artemisia dolosa
                                            Artemisia douglasiana
                                                   [Artemisia caudata var. douglasiana]
                                                   [Artemisia ludoviciana var. douglasiana]
                                            Artemisia dracunculus
                                                   [Artemisia aromatica]
                                                   [Artemisia dracunculoides]
                                            Artemisia dubia
                                              Artemisia dubia var. subdigitata
                                                     [Artemisia subdigitata]
                                            Artemisia eriopoda
                                            Artemisia fasciculata
                                            Artemisia fauriei
                                                   [Artemisia haichowensis]
                                            Artemisia ferganensis
                                            Artemisia filifolia
                                            Artemisia franserioides
                                            Artemisia frigida
                                            Artemisia furcata
                                              Artemisia furcata subsp. furcata
                                                     [Artemisia hyperborea]
                                                     [Artemisia norvegica subsp. heterophylla]
                                            Artemisia glacialis
                                            Artemisia glauca
                                                   [Artemisia dracunculus subsp. glauca]
                                            Artemisia globularia
                                            Artemisia gmelinii
                                                   [Artemisia iwayomogi]
                                                   [Artemisia sacrorum]
                                              Artemisia gmelinii var. messerschmidiana
                                                     [Artemisia messerschmidtiana]
                                            Artemisia gorgonum
                                            Artemisia granatensis
                                            Artemisia groenlandica
                                                   [Artemisia richardsoniana]
                                            Artemisia halodendron
                                            Artemisia herba-alba
                                            Artemisia heterophylla
                                            Artemisia hololeuca
                                            Artemisia inaequifolia
                                                   [Tanacetum diversifolium]
                                            Artemisia incana
                                            Artemisia incisa
                                            Artemisia indica
                                                   [Artemisia asiatica]
                                                   [Artemisia vulgaris var. indica]
                                            Artemisia inodora
                                            Artemisia insipida
                                            Artemisia jacutica
                                            Artemisia japonica
                                            Artemisia judaica
                                            Artemisia kauaiensis
                                            Artemisia keiskeana
                                            Artemisia kitadakensis
                                            Artemisia koidzumii
                                            Artemisia kopetdaghensis
                                            Artemisia kurramensis
                                            Artemisia laciniata
                                            Artemisia lactiflora
                                            Artemisia lagocephala
                                            Artemisia lancea
                                                   [Artemisia feddei]
                                            Artemisia latifolia
                                            Artemisia lavandulaefolia
                                            Artemisia lavandulifolia
                                            Artemisia limosa
                                            Artemisia longifolia
                                            Artemisia ludoviciana
                                              Artemisia ludoviciana subsp. albula
                                                     [Artemisia albula]
                                                     [Artemisia ludoviciana var. albula]
                                              Artemisia ludoviciana subsp. candicans
                                                     [Artemisia candicans]
                                                     [Artemisia ludoviciana var. latiloba]
                                              Artemisia ludoviciana subsp. incompta
                                                     [Artemisia incompta]
                                              Artemisia ludoviciana subsp. ludoviciana
                                                     [Artemisia gnaphalodes]
                                                     [Artemisia ludoviciana subsp. gnaphalodes]
                                                     [Artemisia pabularis]
                                                     [Artemisia rhizomata]
                                                     [Artemisia vulgaris subsp. gnaphalodes]
                                              Artemisia ludoviciana subsp. mexicana
                                                     [Artemisia silvicola]
                                            Artemisia macrantha
                                            Artemisia macrocephala
                                            Artemisia magellanica
                                            Artemisia maritima
                                            Artemisia mexicana
                                            Artemisia michauxiana
                                            Artemisia minor
                                            Artemisia molinieri
                                            Artemisia monophylla
                                            Artemisia monosperma
                                            Artemisia montana
                                            Artemisia moorcroftiana
                                            Artemisia morrisonensis
                                            Artemisia mutellina
                                                   [Artemisia umbelliformis]
                                            Artemisia myriantha
                                            Artemisia nesiotica
                                                   [Artemisia californica var. insularis]
                                            Artemisia nitrosa
                                            Artemisia norvegica
                                              Artemisia norvegica subsp. saxatilis
                                                     [Artemisia saxicola]
                                            Artemisia nova
                                                   [Artemisia arbuscula var. nova]
                                                   [Artemisia tridentata var. nova]
                                            Artemisia nutans
                                            Artemisia nuttallii
                                                   [Tanacetum nuttallii]
                                            Artemisia oligocarpa
                                            Artemisia pacifica
                                            Artemisia palmeri
                                            Artemisia papposa
                                            Artemisia parviflora
                                            Artemisia pauciflora
                                            Artemisia pedatifida
                                            Artemisia pedemontana
                                            Artemisia pontica
                                            Artemisia potentilloides
                                                   [Tanacetum potentilloides]
                                            Artemisia procera
                                            Artemisia pubescens
                                                   [Artemisia commutata]
                                            Artemisia pycnocephala
                                            Artemisia pygmaea
                                            Artemisia rigida
                                            Artemisia rothrockii
                                            Artemisia roxburghiana
                                              Artemisia roxburghiana var. purpurascens
                                            Artemisia rubripes
                                            Artemisia rupestris
                                            Artemisia rutifolia
                                            Artemisia salsoloides
                                            Artemisia santonicum
                                              Artemisia santonicum subsp. santonicum
                                                     [Artemisia salina subsp. monogyna]
                                            Artemisia schmidtiana
                                            Artemisia schrenkiana
                                            Artemisia scoparia
                                                   [Artemisia capillaris var. scoparia]
                                            Artemisia selengensis
                                            Artemisia sieversiana
                                            Artemisia silvatica
                                            Artemisia sodiroi
                                            Artemisia spiciformis
                                            Artemisia spinescens
                                            Artemisia spithamaea
                                            Artemisia stechmanniana
                                                   [Artemisia santolinifolia]
                                            Artemisia stelleriana
                                            Artemisia stricta
                                            Artemisia suksdorfii
                                            Artemisia sylvatica
                                            Artemisia tanacetifolia
                                            Artemisia taurica
                                            Artemisia thuscula
                                                   [Artemisia canariensis]
                                            Artemisia tianschanica
                                            Artemisia tilesii
                                                   [Artemisia unalaskensis]
                                            Artemisia tomentella
                                            Artemisia tournefortiana
                                            Artemisia tridentata
                                              Artemisia tridentata subsp. parishii
                                                     [Artemisia parishii]
                                              Artemisia tridentata subsp. rothrockii
                                              Artemisia tridentata subsp. vaseyana
                                                     [Artemisia tridentata var. pauciflora]
                                                     [Artemisia tridentata var. vaseyana]
                                              Artemisia tridentata subsp. wyomingensis
                                                     [Artemisia tridentata var. wyomingensis]
                                              Artemisia tridentata var. rothrockii
                                            Artemisia trifida
                                            Artemisia tripartita
                                            Artemisia vallesiaca
                                            Artemisia vulgaris
                                            Artemisia xerophytica
                                    Asanthus
                                            Asanthus solidaginifolius
                                                   [Brickellia solidaginifolia]
                                            Asanthus squamulosus
                                                   [Brickellia squamulosa]
                                    Aspilia
                                            Aspilia chevalieri
                                            Aspilia kotschyi
                                              Aspilia kotschyi var. alba
                                            Aspilia lisowskiana
                                            Aspilia macrorrhiza
                                            Aspilia mossambicensis
                                            Aspilia pluriseta
                                    Asplundianthus
                                            Asplundianthus pseudoglomeratus
                                                   [Eupatorium pseudoglomeratum]
                                    Aster
                                            Aster acris
                                            Aster ageratoides
                                                   [Aster ageratoides f. leucanthus]
                                                   [Aster ageratoides var. leiophyllus]
                                              Aster ageratoides subsp. leiophyllus
                                              Aster ageratoides var. angustifolius
                                              Aster ageratoides var. gerlachii
                                                     [Aster gerlachii]
                                              Aster ageratoides var. harai
                                              Aster ageratoides var. intermedius
                                              Aster ageratoides var. laticorymbus
                                              Aster ageratoides var. micranthus
                                              Aster ageratoides var. ovatus
                                              Aster ageratoides var. sawadanus
                                              Aster ageratoides var. scaberulus
                                            Aster alpinus
                                            Aster amellus
                                              Aster amellus subsp. bessarabicus
                                              Aster amellus subsp. ibericus
                                                     [Aster ibericus]
                                            Aster amethystinus
                                                  Aster amethystinus f. leucerythros
                                            Aster angustus
                                            Aster asa-grayi
                                            Aster asperulus
                                            Aster baccharoides
                                            Aster bellidiastrum
                                            Aster brachyphyllus
                                            Aster canadensis
                                            Aster canescens
                                            Aster carnosus
                                            Aster ciliomarginatus
                                            Aster ciliosus
                                            Aster concinnus
                                            Aster conyzoides
                                            Aster cordifolius
                                            Aster corymbosus
                                            Aster depauperatus
                                            Aster diffusus
                                            Aster divaricatus
                                            Aster douglasii
                                            Aster elegans
                                            Aster erigeroides
                                            Aster flexuosus
                                            Aster glaucescens
                                            Aster grandiflorus
                                            Aster hispidus
                                            Aster hyssopifolius
                                              Aster hyssopifolius var. linifolius
                                            Aster indicus
                                            Aster integrifolius
                                            Aster interior
                                            Aster junceus
                                            Aster kantoensis
                                            Aster laevis
                                            Aster lanceolatus
                                            Aster lautureanus
                                                   [Boltonia lautureana]
                                            Aster leiophyllus
                                            Aster leucanthemus
                                            Aster linosyris
                                            Aster maackii
                                            Aster mirabilis
                                            Aster miyagii
                                            Aster molliusculus
                                            Aster mongolicus
                                            Aster multiflorus
                                            Aster muricatus
                                            Aster nelsonii
                                            Aster ovatus
                                                   [Aster ageratoides var. yezoensis]
                                                   [Aster microcephalus var. yezoensis]
                                              Aster ovatus var. microcephalus
                                                     [Aster microcephalus]
                                            Aster paniculatus
                                            Aster praealtus
                                            Aster proximus
                                            Aster pseudamellus
                                            Aster puniceus
                                            Aster quitensis
                                            Aster radula
                                            Aster sagittifolius
                                            Aster scaber
                                            Aster sericeus
                                            Aster sibiricus
                                            Aster simplex
                                            Aster souliei
                                            Aster spathulifolius
                                                   [Aster oharai]
                                            Aster spectabilis
                                            Aster squarrosus
                                            Aster subulatus
                                              Aster subulatus var. ligulatus
                                            Aster sugimotoi
                                                   [Aster ageratoides var. sugimotoi]
                                            Aster taiwanensis
                                            Aster tataricus
                                            Aster tongolensis
                                                   [Aster subcoeruleus]
                                            Aster tradescanti
                                            Aster tricephalus
                                            Aster trinervius
                                            Aster tripolium
                                              Aster tripolium subsp. pannonicus
                                            Aster undulatus
                                            Aster venustus
                                            Aster villosus
                                            Aster vimineus
                                            Aster × frikartii
                                            Aster × versicolor
                                    Asteriscus
                                            Asteriscus aquaticus
                                                   [Odontospermum aquaticum]
                                            Asteriscus graveolens
                                              Asteriscus graveolens subsp. graveolens
                                                     [Odontospermum graveolens]
                                              Asteriscus graveolens subsp. stenophyllus
                                                     [Odontospermum stenophyllum]
                                            Asteriscus intermedius
                                                   [Odontospermum intermedium]
                                            Asteriscus sericeus
                                                   [Odontospermum sericeum]
                                            Asteriscus smithii
                                    Astranthium
                                            Astranthium ciliatum
                                                   [Astranthium integrifolium var. rosulatum]
                                            Astranthium integrifolium
                                            Astranthium orthopodum
                                            Astranthium xanthocomoides
                                            Astranthium xylopodum
                                    Athanasia
                                            Athanasia crithmifolia
                                            Athanasia dentata
                                            Athanasia filiformis
                                            Athanasia imbricata
                                            Athanasia linifolia
                                            Athanasia pinnata
                                            Athanasia punctata
                                            Athanasia spathulata
                                            Athanasia tomentosa
                                            Athanasia trifurcata
                                    Athrixia
                                            Athrixia angustissima
                                            Athrixia rosmarinifolia
                                    Athroisma
                                            Athroisma pusillum
                                    Austrobrickellia
                                            Austrobrickellia arnottii
                                                   [Eupatorium arnottii]
                                            Austrobrickellia patens
                                                   [Eupatorium patens]
                                    Austroeupatorium
                                            Austroeupatorium inulifolium
                                                   [Eupatorium inulifolium f. suaveolens]
                                                   [Eupatorium inulifolium]
                                            Austroeupatorium laetevirens
                                                   [Eupatorium laetevirens]
                                    Ayapana
                                            Ayapana amygdalina
                                                   [Eupatorium amygdalinum]
                                            Ayapana ecuadorensis
                                            Ayapana triplinervis
                                                   [Eupatorium triplinerve]
                                    Ayapanopsis
                                            Ayapanopsis latipaniculata
                                                   [Eupatorium latipaniculatum]
                                            Ayapanopsis luteynii
                                    Baccharis
                                            Baccharis alnifolia
                                            Baccharis alpina
                                            Baccharis angustifolia
                                            Baccharis anomala
                                            Baccharis aphylla
                                            Baccharis aretioides
                                            Baccharis artemisioides
                                            Baccharis articulata
                                            Baccharis axillaris
                                            Baccharis bigelovii
                                            Baccharis bolivensis
                                                   [Heterothalamus boliviensis]
                                            Baccharis brachylaenoides
                                                   [Baccharis brachylaenoides var. oblanceolata]
                                                   [Baccharis oblanceolata]
                                                   [Baccharis venulosa]
                                              Baccharis brachylaenoides var. ligustrina
                                                     [Baccharis ligustrina]
                                            Baccharis brachyphylla
                                            Baccharis burchellii
                                            Baccharis caespitosa
                                              Baccharis alpina var. serpyllifolia
                                            Baccharis calvescens
                                            Baccharis camporum
                                            Baccharis capitalensis
                                            Baccharis cognata
                                            Baccharis concava
                                            Baccharis conferta
                                            Baccharis darwinii
                                                   [Baccharis angulata]
                                            Baccharis davidsonii
                                            Baccharis decussata
                                              Baccharis decussata subsp. decussata
                                                     [Baccharis moritziana]
                                            Baccharis densiflora
                                              Baccharis densiflora subsp. perulata
                                                     [Baccharis perulata]
                                            Baccharis dentata
                                                   [Baccharis orgyalis]
                                            Baccharis dioica
                                            Baccharis discolor
                                            Baccharis divaricata
                                            Baccharis douglasii
                                            Baccharis dracunculifolia
                                            Baccharis elaeagnoides
                                            Baccharis elaeoides
                                            Baccharis elliptica
                                            Baccharis erigeroides
                                            Baccharis erioclada
                                            Baccharis flabellata
                                            Baccharis floribunda
                                            Baccharis fusca
                                            Baccharis genistelloides
                                            Baccharis gibertii
                                            Baccharis gilliesii
                                            Baccharis glomeruliflora
                                            Baccharis glutinosa
                                                   [Baccharis pingraea]
                                            Baccharis gnidiifolia
                                                   [Baccharis sternbergiana]
                                            Baccharis grandiflora
                                            Baccharis halimifolia
                                            Baccharis hambatensis
                                            Baccharis havardii
                                            Baccharis helichrysoides
                                            Baccharis heterophylla
                                            Baccharis hieronymi
                                            Baccharis hirta
                                            Baccharis humifusa
                                            Baccharis humilis
                                            Baccharis illinita
                                            Baccharis intermedia
                                            Baccharis juncea
                                            Baccharis lateralis
                                                   [Baccharis schultzii]
                                            Baccharis latifolia
                                                   [Baccharis riparia]
                                                   [Baccharis subpenninervis]
                                            Baccharis leptocephala
                                            Baccharis linearifolia
                                              Baccharis linearifolia subsp. linearifolia
                                                     [Baccharis subspathulata]
                                            Baccharis linearis
                                                   [Baccharis rosmarinifolia]
                                            Baccharis lycioides
                                            Baccharis macraei
                                            Baccharis magellanica
                                            Baccharis megapotamica
                                              Baccharis megapotamica var. weirii
                                                     [Baccharis weirii]
                                            Baccharis melanopotamica
                                            Baccharis melastomatifolia
                                            Baccharis microcephala
                                                   [Baccharis microptera]
                                            Baccharis microdonta
                                                   [Baccharis meridionalis]
                                            Baccharis microphylla
                                            Baccharis milleflora
                                            Baccharis mucronata
                                            Baccharis multiflora
                                            Baccharis myricifolia
                                            Baccharis myrsinites
                                            Baccharis neaei
                                                   [Baccharis bezanilleana]
                                                   [Baccharis rhetinodes]
                                                   [Baccharis solieri]
                                            Baccharis neglecta
                                            Baccharis nitida
                                                   [Baccharis nitida f. angustifolia]
                                            Baccharis nivalis
                                            Baccharis notosergila
                                            Baccharis obtusifolia
                                            Baccharis occidentalis
                                            Baccharis odorata
                                            Baccharis oxyodonta
                                            Baccharis paniculata
                                            Baccharis papillosa
                                                   [Baccharis vitis-idaea]
                                            Baccharis patagonica
                                            Baccharis patens
                                                   [Baccharis seemannii]
                                            Baccharis pauciflosculosa
                                            Baccharis pedunculata
                                                   [Baccharis cinnamomifolia]
                                                   [Baccharis cotinifolia]
                                                   [Baccharis splendens]
                                            Baccharis pentodonta
                                                   [Baccharis pluridentata]
                                            Baccharis phyteuma
                                            Baccharis phyteumoides
                                            Baccharis pilularis
                                              Baccharis pilularis subsp. consanguinea
                                                     [Baccharis consanguinea]
                                                     [Baccharis pilularis var. consanguinea]
                                            Baccharis plummerae
                                            Baccharis poeppigiana
                                              Baccharis poeppigiana subsp. ocellata
                                                     [Baccharis ocellata]
                                            Baccharis polifolia
                                            Baccharis prunifolia
                                            Baccharis pseudotenuifolia
                                                   [Baccharis tenuifolia]
                                            Baccharis pteronioides
                                                   [Baccharis ramulosa]
                                            Baccharis quitensis
                                                   [Baccharis flexuosa]
                                            Baccharis racemosa
                                            Baccharis ramiflora
                                            Baccharis rhexioides
                                                   [Baccharis cinerea]
                                                   [Baccharis trinervis var. rhexioides]
                                            Baccharis rhomboidalis
                                            Baccharis rufescens
                                                   [Baccharis maritima]
                                            Baccharis sagittalis
                                            Baccharis salicifolia
                                              Baccharis salicifolia subsp. salicifolia
                                                     [Baccharis lanceolata]
                                                     [Baccharis marginalis]
                                                     [Baccharis medullosa]
                                                     [Baccharis viminea]
                                            Baccharis salicina
                                                   [Baccharis emoryi]
                                            Baccharis saliens
                                            Baccharis sarothroides
                                            Baccharis scandens
                                                   [Baccharis petiolata]
                                            Baccharis schomburgkii
                                            Baccharis scoparia
                                            Baccharis sergiloides
                                            Baccharis serrulata
                                                   [Baccharis punctigera]
                                            Baccharis singularis
                                                   [Baccharis cassinefolia]
                                            Baccharis sphaerocephala
                                            Baccharis spicata
                                            Baccharis stenocephala
                                            Baccharis subdentata
                                            Baccharis subopposita
                                            Baccharis sulcata
                                                   [Baccharis potosina]
                                            Baccharis teindalensis
                                            Baccharis texana
                                            Baccharis thesioides
                                                   [Baccharis alamosana]
                                            Baccharis tola
                                                   [Baccharis incarum]
                                              Baccharis tola subsp. tola
                                                     [Baccharis tafiensis]
                                              Baccharis tola var. incarum
                                                     [Baccharis microphylla var. incarum]
                                            Baccharis tricuneata
                                            Baccharis tridentata
                                                   [Baccharis subopposita var. affinis]
                                            Baccharis trimera
                                            Baccharis trinervis
                                            Baccharis tucumanensis
                                            Baccharis ulicina
                                            Baccharis vanessae
                                            Baccharis wrightii
                                            Baccharis ×volckmannii
                                    Badilloa
                                            Badilloa atrescens
                                            Badilloa procera
                                                   [Eupatorium procerum]
                                    Bahia
                                            Bahia ambrosioides
                                    Bahiopsis
                                            Bahiopsis chenopodina
                                                   [Viguiera deltoidea var. chenopodina]
                                            Bahiopsis deltoidea
                                                   [Viguiera deltoidea]
                                            Bahiopsis laciniata
                                                   [Viguiera laciniata]
                                            Bahiopsis parishii
                                                   [Viguiera parishii]
                                            Bahiopsis reticulata
                                                   [Viguiera reticulata]
                                            Bahiopsis tomentosa
                                                   [Viguiera tomentosa]
                                    Baileya
                                            Baileya multiradiata
                                                   [Baileya multiradiata var. nudicaulis]
                                                   [Baileya thurberi]
                                            Baileya pauciradiata
                                            Baileya pleniradiata
                                                   [Baileya multiradiata var. pleniradiata]
                                                   [Baileya perennis]
                                    Bajacalia
                                            Bajacalia crassifolia
                                                   [Porophyllum crassifolium]
                                    Balduina
                                            Balduina angustifolia
                                                   [Balduina multiflora]
                                            Balduina atropurpurea
                                            Balduina uniflora
                                    Balsamorhiza
                                            Balsamorhiza careyana
                                            Balsamorhiza deltoidea
                                            Balsamorhiza hispidula
                                            Balsamorhiza hookeri
                                              Balsamorhiza hookeri var. hirsuta
                                                     [Balsamorhiza hirsuta]
                                              Balsamorhiza hookeri var. lagocephala
                                                     [Balsamorhiza hirsuta var. lagocephala]
                                              Balsamorhiza hookeri var. neglecta
                                                     [Balsamorhiza hirsuta var. neglecta]
                                            Balsamorhiza incana
                                            Balsamorhiza macrolepis
                                              Balsamorhiza macrolepis var. platylepis
                                                     [Balsamorhiza platylepis]
                                            Balsamorhiza macrophylla
                                            Balsamorhiza sagittata
                                            Balsamorhiza serrata
                                    Baltimora
                                            Baltimora recta
                                    Barkleyanthus
                                            Barkleyanthus salicifolius
                                                   [Senecio salignus]
                                    Barrosoa
                                            Barrosoa candolleana
                                                   [Eupatorium candolleanum]
                                                   [Eupatorium lasseauxii]
                                    Bartlettina
                                            Bartlettina campii
                                            Bartlettina constipatiflora
                                                   [Eupatorium constipatiflorum]
                                            Bartlettina cronquistii
                                                   [Eupatorium cronquistii]
                                            Bartlettina heydeana
                                                   [Amolinia heydeana]
                                                   [Eupatorium heydeanum]
                                            Bartlettina luxii
                                            Bartlettina pansamalensis
                                            Bartlettina pinabetensis
                                            Bartlettina platyphylla
                                                   [Eupatorium platyphyllum]
                                            Bartlettina prionophylla
                                            Bartlettina sordida
                                                   [Eupatorium sordidum]
                                            Bartlettina tuerckheimii
                                                   [Eupatorium tuerckheimii]
                                    Bebbia
                                            Bebbia juncea
                                              Bebbia juncea var. aspera
                                              Bebbia juncea var. atriplicifolia
                                    Bedfordia
                                            Bedfordia salicina
                                    Bellis
                                            Bellis annua
                                            Bellis caerulescens
                                            Bellis perennis
                                            Bellis rotundifolia
                                            Bellis sylvestris
                                    Bellium
                                            Bellium bellidioides
                                            Bellium crassifolium
                                    Belloa
                                            Belloa chilensis
                                                   [Lucilia araucana]
                                    Benitoa
                                            Benitoa occidentalis
                                                   [Haplopappus occidentalis]
                                    Berlandiera
                                            Berlandiera lyrata
                                            Berlandiera pumila
                                                   [Berlandiera dealbata]
                                                   [Berlandiera tomentosa var. dealbata]
                                                   [Berlandiera tomentosa]
                                            Berlandiera subacaulis
                                            Berlandiera texana
                                            Berlandiera × macrophylla
                                                   [Berlandiera lyrata var. macrophylla]
                                    Berroa
                                            Berroa gnaphalioides
                                                   [Lucilia gnaphalioides]
                                    Bethencourtia
                                            Bethencourtia hermosae
                                                   [Canariothamnus hermosae]
                                    Bidens
                                            Bidens aequisquama
                                            Bidens alba
                                                   [Bidens caucalidea]
                                                   [Bidens daucifolia]
                                              Bidens alba var. radiata
                                                     [Bidens pilosa f. radiata]
                                            Bidens amplectens
                                            Bidens andicola
                                            Bidens angustissima
                                            Bidens anthriscoides
                                            Bidens aristosa
                                                   [Bidens aristosa f. fritcheyi]
                                                   [Bidens aristosa f. mutica]
                                                   [Coreopsis aristosa]
                                            Bidens aurea
                                                   [Bidens arguta]
                                                   [Bidens ferulifolia]
                                                   [Bidens heterophylla]
                                                   [Coreopsis aurea]
                                            Bidens beckii
                                                   [Megalodonta beckii]
                                            Bidens bidentoides
                                                   [Bidens mariana]
                                                   [Coreopsis bidentoides]
                                            Bidens bigelovii
                                                   [Bidens duranginensis]
                                            Bidens bipinnata
                                            Bidens biternata
                                                   [Bidens chinensis]
                                            Bidens burundiensis
                                            Bidens campylotheca
                                                   [Bidens campylotheca f. campylotheca]
                                              Bidens campylotheca subsp. campylotheca
                                              Bidens campylotheca subsp. pentamera
                                              Bidens campylotheca subsp. waihoiensis
                                            Bidens carinata
                                                   [Coreopsis schimperi]
                                            Bidens cernua
                                                   [Bidens cernua var. elliptica]
                                                   [Bidens glaucescens]
                                              Bidens cernua var. integra
                                            Bidens cervicata
                                            Bidens conjuncta
                                            Bidens connata
                                                   [Bidens connata f. anomala]
                                                   [Bidens connata var. fultior]
                                                   [Bidens connata var. gracilipes]
                                                   [Bidens connata var. pinnata]
                                            Bidens cordylocarpa
                                            Bidens cosmoides
                                            Bidens cynapiifolia
                                            Bidens discoidea
                                            Bidens eatonii
                                            Bidens fischeri
                                            Bidens forbesii
                                              Bidens forbesii subsp. forbesii
                                              Bidens forbesii subsp. kahiliensis
                                            Bidens frondosa
                                                   [Bidens frondosa f. anomala]
                                            Bidens gardneri
                                            Bidens gentryi
                                            Bidens hawaiensis
                                            Bidens hendersonensis
                                                   [Bidens hendersonensis var. subspathulata]
                                              Bidens hendersonensis var. hendersonensis
                                              Bidens hendersonensis var. oenoensis
                                            Bidens herzogii
                                            Bidens heterodoxa
                                                   [Bidens heterodoxa var. monardifolia]
                                            Bidens heterosperma
                                            Bidens hillebrandiana
                                              Bidens hillebrandiana subsp. hillebrandiana
                                            Bidens humilis
                                            Bidens hyperborea
                                                   [Bidens hyperborea var. cathancensis]
                                                   [Bidens hyperborea var. colpophila]
                                            Bidens involucrata
                                            Bidens laevis
                                                   [Bidens chrysanthemoides]
                                                   [Bidens nashii]
                                            Bidens leptocephala
                                            Bidens magnifolia
                                            Bidens mannii
                                            Bidens maximowicziana
                                                   [Bidens radiata var. pinnatifida]
                                            Bidens menziesii
                                              Bidens menziesii subsp. filiformis
                                                     [Bidens menziesii var. filiformis]
                                            Bidens micrantha
                                              Bidens micrantha subsp. ctenophylla
                                              Bidens micrantha subsp. kalealaha
                                            Bidens mitis
                                            Bidens molokaiensis
                                            Bidens negriana
                                                   [Coreopsis negriana]
                                            Bidens occidentalis
                                            Bidens ostruthioides
                                                   [Bidens ostruthioides var. costaricensis]
                                            Bidens pachyloma
                                            Bidens parviflora
                                            Bidens pilosa
                                                   [Bidens odorata var. odorata]
                                                   [Bidens odorata]
                                                   [Bidens pilosa f. bimucronata]
                                              Bidens pilosa var. minor
                                                     [Bidens pilosa f. minor]
                                            Bidens polylepis
                                            Bidens populifolia
                                            Bidens prestinaria
                                                   [Bidens prestinariiformis]
                                            Bidens radiata
                                            Bidens reptans
                                                   [Bidens coreopsidis]
                                                   [Bidens urbanii]
                                            Bidens riparia
                                                   [Bidens refracta]
                                            Bidens rostrata
                                                   [Cosmos exiguus]
                                            Bidens ruyigiensis
                                            Bidens sambucifolia
                                            Bidens sandvicensis
                                              Bidens sandvicensis subsp. confusa
                                              Bidens sandvicensis subsp. sandvicensis
                                            Bidens sandwicensis
                                              Bidens sandwicensis subsp. sandwicensis
                                                     [Bidens waimeana]
                                            Bidens schaffneri
                                                   [Coreopsis schaffneri]
                                            Bidens schimperi
                                            Bidens segetum
                                            Bidens serrulata
                                            Bidens simplicifolia
                                            Bidens squarrosa
                                            Bidens tenuisecta
                                            Bidens torta
                                            Bidens trichosperma
                                                   [Bidens coronata var. leptophylla]
                                                   [Bidens coronata]
                                                   [Bidens trichosperma var. tenuiloba]
                                                   [Coreopsis trichosperma]
                                            Bidens tripartita
                                                   [Bidens comosa var. acuta]
                                              Bidens tripartita subsp. comosa
                                                     [Bidens comosa]
                                              Bidens tripartita subsp. tripartita
                                                     [Bidens acuta]
                                                     [Bidens bullata]
                                                     [Bidens platycephala]
                                            Bidens triplinervia
                                                   [Bidens serrata]
                                              Bidens triplinervia var. macrantha
                                                     [Bidens triplinervia f. macrantha]
                                            Bidens valida
                                            Bidens vulgata
                                                   [Bidens vulgata f. puberula]
                                            Bidens wiebkei
                                    Bigelowia
                                            Bigelowia nudata
                                                   [Bigelowia virgata]
                                    Blainvillea
                                            Blainvillea acmella
                                                   [Blainvillea latifolia]
                                    Blennosperma
                                            Blennosperma bakeri
                                            Blennosperma chilense
                                            Blennosperma nanum
                                                   [Blennosperma californicum]
                                    Blepharipappus
                                            Blepharipappus scaber
                                                   [Blepharipappus laevis]
                                                   [Blepharipappus scaber var. subcalvus]
                                    Blepharispermum
                                            Blepharispermum arcuatum
                                            Blepharispermum brachycarphum
                                            Blepharispermum hirtum
                                            Blepharispermum minus
                                            Blepharispermum xerothamnum
                                    Blepharizonia
                                            Blepharizonia plumosa
                                                   [Hemizonia plumosa var. plumosa]
                                                   [Hemizonia plumosa]
                                    Blumea
                                            Blumea aromatica
                                            Blumea axillaris
                                                   [Blumea mollis]
                                                   [Blumea wightiana]
                                            Blumea balsamifera
                                            Blumea brevipes
                                                   [Laggera brevipes]
                                            Blumea chinensis
                                            Blumea fistulosa
                                                   [Blumea glomerata]
                                            Blumea lacera
                                              Blumea lacera var. cinerascens
                                            Blumea lanceolaria
                                                   [Blumea myriocephala]
                                              Blumea lanceolaria var. spectabilis
                                                     [Blumea spectabilis]
                                            Blumea megacephala
                                                   [Blumea riparia var. megacephala]
                                            Blumea repanda
                                                   [Blumea procera]
                                            Blumea riparia
                                                   [Blumea pubigera]
                                            Blumea sericans
                                                   [Blumea hieracifolia]
                                            Blumea sinuata
                                                   [Blumea lacera var. blumei]
                                                   [Blumea laciniata]
                                            Blumea sylvatica
                                    Boeberastrum
                                            Boeberastrum anthemidifolium
                                                   [Dyssodia anthemidifolia]
                                    Boltonia
                                            Boltonia asteroides
                                                   [Boltonia glastifolia]
                                              Boltonia asteroides var. latisquama
                                                     [Boltonia latisquama]
                                            Boltonia decurrens
                                            Boltonia diffusa
                                            Boltonia montana
                                    Bombycilaena
                                            Bombycilaena californica
                                                   [Micropus californicus]
                                            Bombycilaena erecta
                                    Borrichia
                                            Borrichia arborescens
                                                   [Borrichia glabrata]
                                            Borrichia frutescens
                                    Brachanthemum
                                            Brachanthemum fruticulosum
                                                   [Chrysanthemum fruticulosum]
                                    Brachyglottis
                                            Brachyglottis arborescens
                                            Brachyglottis bidwillii
                                                   [Senecio bidwillii]
                                            Brachyglottis hectori
                                                   [Senecio hectori]
                                            Brachyglottis huntii
                                            Brachyglottis kirkii
                                                   [Senecio kirkii]
                                            Brachyglottis pentacopa
                                            Brachyglottis repanda
                                    Bradburia
                                            Bradburia hirtella
                                            Bradburia pilosa
                                                   [Heterotheca pilosa]
                                    Brickellia
                                            Brickellia adenolepis
                                                   [Kuhnia adenolepis]
                                            Brickellia amplexicaulis
                                            Brickellia argyrolepis
                                            Brickellia atractyloides
                                              Brickellia atractyloides var. arguta
                                                     [Brickellia arguta]
                                            Brickellia betonicifolia
                                            Brickellia brachyphylla
                                                   [Coleosanthus brachyphyllus]
                                            Brickellia californica
                                                   [Brickellia wrightii]
                                                   [Coleosanthus reniformis]
                                                   [Coleosanthus wrightii]
                                            Brickellia cavanillesii
                                                   [Coleosanthus squarrosus]
                                            Brickellia cordifolia
                                            Brickellia coulteri
                                              Brickellia coulteri var. adenopoda
                                                     [Brickellia megalodonta]
                                            Brickellia cylindracea
                                                   [Brickellia cylindracea var. laxa]
                                            Brickellia dentata
                                            Brickellia desertorum
                                            Brickellia diffusa
                                            Brickellia eupatorioides
                                                   [Kuhnia eupatorioides var. gracilis]
                                                   [Kuhnia eupatorioides]
                                                   [Kuhnia glutinosa]
                                            Brickellia filipes
                                            Brickellia floribunda
                                            Brickellia frutescens
                                            Brickellia glabrata
                                            Brickellia grandiflora
                                                   [Brickellia grandiflora var. minor]
                                                   [Coleosanthus grandiflorus]
                                            Brickellia greenei
                                            Brickellia incana
                                            Brickellia laciniata
                                            Brickellia lanata
                                            Brickellia laxiflora
                                                   [Barroetea laxiflora]
                                            Brickellia lemmonii
                                                   [Brickellia lemmonii var. wootonii]
                                            Brickellia leptophylla
                                                   [Brickellia chlorolepis]
                                                   [Kuhnia chlorolepis]
                                                   [Kuhnia leptophylla]
                                            Brickellia longifolia
                                                   [Coleosanthus longifolius]
                                              Brickellia longifolia var. multiflora
                                                     [Brickellia multiflora]
                                            Brickellia microphylla
                                              Brickellia microphylla var. scabra
                                                     [Brickellia scabra]
                                            Brickellia mosieri
                                                   [Kuhnia mosieri]
                                            Brickellia oblongifolia
                                              Brickellia oblongifolia var. linifolia
                                                     [Brickellia linifolia]
                                                     [Brickellia oblongifolia subsp. linifolia]
                                            Brickellia odontophylla
                                            Brickellia paniculata
                                            Brickellia parvula
                                            Brickellia pedunculosa
                                                   [Eupatorium longipes]
                                            Brickellia pendula
                                                   [Coleosanthus pendulus]
                                            Brickellia peninsularis
                                            Brickellia pringlei
                                            Brickellia robinsoniana
                                            Brickellia rosmarinifolia
                                                   [Kuhnia microphylla]
                                                   [Kuhnia rosmarinifolia]
                                            Brickellia scoparia
                                            Brickellia secundiflora
                                              Brickellia secundiflora var. parryi
                                                     [Brickellia parryi]
                                            Brickellia suaveolens
                                                   [Kuhnia hitchcockii]
                                                   [Kuhnia suaveolens]
                                            Brickellia subuligera
                                                   [Barroetea subuligera]
                                            Brickellia veronicifolia
                                    Brickelliastrum
                                            Brickelliastrum fendleri
                                                   [Brickellia fendleri]
                                                   [Coleosanthus fendleri]
                                                   [Eupatorium fendleri]
                                    Buphthalmum
                                            Buphthalmum salicifolium
                                              Buphthalmum salicifolium subsp. salicifolium
                                                     [Buphthalmum grandiflorum]
                                            Cacalia auriculata
                                            Cacalia suaveolens
                                    Cacaliopsis
                                            Cacaliopsis nardosmia
                                              Cacaliopsis nardosmia subsp. glabrata
                                              Cacaliopsis nardosmia var. glabrata
                                    Cadiscus
                                            Cadiscus aquaticus
                                    Caesulia
                                            Caesulia axillaris
                                    Calanticaria
                                            Calanticaria brevifolia
                                                   [Viguiera brevifolia]
                                            Calanticaria greggii
                                                   [Viguiera greggii]
                                    Calea
                                            Calea clematidea
                                            Calea cuneifolia
                                            Calea cymosa
                                            Calea dalyi
                                            Calea grayii
                                            Calea harlingii
                                            Calea huanchacana
                                            Calea huigrensis
                                            Calea jamaicensis
                                                   [Calea prunifolia]
                                            Calea kingii
                                            Calea longifolia
                                            Calea longipedicellata
                                            Calea monocephala
                                            Calea nematophylla
                                            Calea nitida
                                            Calea parvifolia
                                            Calea pinnatifida
                                                   [Mikania heterophylla]
                                            Calea serrata
                                            Calea sessiliflora
                                                   [Calea glomerata]
                                            Calea sipapoana
                                            Calea ternifolia
                                                   [Calea albida]
                                                   [Calea zacatechichi]
                                            Calea triantha
                                                   [Calea hispida]
                                            Calea trichotoma
                                                   [Calea peckii]
                                            Calea ulei
                                            Calea uniflora
                                            Calea urticifolia
                                              Calea urticifolia var. axillaris
                                                     [Calea axillaris]
                                    Calendula
                                            Calendula arvensis
                                                   [Calendula algeriensis]
                                                   [Calendula bicolor]
                                                   [Calendula gracilis]
                                                   [Calendula persica]
                                            Calendula maritima
                                            Calendula maroccana
                                            Calendula officinalis
                                            Calendula parviflora
                                            Calendula stellata
                                            Calendula suffruticosa
                                              Calendula suffruticosa subsp. tomentosa
                                            Calendula tripterocarpa
                                    Callistephus
                                            Callistephus chinensis
                                                   [Callistephus hortensis]
                                    Calocephalus
                                            Calocephalus brownii
                                            Calocephalus citreus
                                            Calocephalus lacteus
                                            Calocephalus platycephalus
                                    Calomeria
                                            Calomeria amaranthoides
                                                   [Humea elegans]
                                    Calostephane
                                            Calostephane divaricata
                                    Calotis
                                            Calotis cuneifolia
                                            Calotis latiuscula
                                            Calotis scabiosifolia
                                    Calycadenia
                                            Calycadenia mollis
                                                   [Hemizonia mollis]
                                            Calycadenia multiglandulosa
                                                   [Hemizonia cephalotes]
                                                   [Hemizonia hispida]
                                                   [Hemizonia multiglandulosa]
                                            Calycadenia pauciflora
                                                   [Hemizonia pauciflora]
                                            Calycadenia spicata
                                                   [Hemizonia spicata]
                                            Calycadenia truncata
                                                   [Hemizonia truncata]
                                            Calycadenia villosa
                                                   [Hemizonia douglasii]
                                    Calyptocarpus
                                            Calyptocarpus brasiliensis
                                                   [Blainvillea biaristata]
                                            Calyptocarpus vialis
                                                   [Blainvillea tampicana]
                                                   [Synedrella vialis]
                                    Campovassouria
                                            Campovassouria cruciata
                                                   [Eupatorium bupleurifolium]
                                    Campuloclinium
                                            Campuloclinium hirsutum
                                                   [Eupatorium gardnerianum]
                                            Campuloclinium macrocephalum
                                                   [Eupatorium macrocephalum]
                                    Canadanthus
                                            Canadanthus modestus
                                                   [Aster modestus]
                                    Cardiagyris
                                            Cardiagyris rugulosa
                                                   [Aster rugulosus]
                                    Carminatia
                                            Carminatia tenuiflora
                                    Carpesium
                                            Carpesium abrotanoides
                                            Carpesium cernuum
                                            Carpesium divaricatum
                                                   [Carpesium atkinsonianum]
                                              Carpesium divaricatum var. abrotanoides
                                                     [Carpesium koidzumii]
                                            Carpesium faberi
                                                   [Carpesium hosokawae]
                                            Carpesium glossophyllum
                                            Carpesium macrocephalum
                                            Carpesium nepalense
                                            Carpesium rosulatum
                                            Carpesium trachelifolium
                                            Carpesium triste
                                    Carphephorus
                                            Carphephorus bellidifolius
                                            Carphephorus carnosus
                                                   [Trilisa carnosa]
                                            Carphephorus corymbosus
                                            Carphephorus odoratissimus
                                                   [Liatris odoratissima]
                                                   [Trilisa odoratissima]
                                            Carphephorus paniculatus
                                                   [Liatris paniculata]
                                                   [Trilisa paniculata]
                                            Carphephorus pseudoliatris
                                            Carphephorus tomentosus
                                    Carphochaete
                                            Carphochaete bigelovii
                                            Carphochaete grahamii
                                            Carphochaete pringlei
                                                   [Stevia pringlei]
                                            Carphochaete wislizeni
                                    Cassinia
                                            Cassinia aculeata
                                            Cassinia arcuata
                                            Cassinia laevis
                                            Cassinia leptocephala
                                            Cassinia leptophylla
                                    Castroviejoa
                                            Castroviejoa frigida
                                                   [Helichrysum frigidum]
                                    Celmisia
                                            Celmisia bellidioides
                                            Celmisia coriacea
                                            Celmisia discolor
                                            Celmisia glandulosa
                                            Celmisia haastii
                                            Celmisia hieracifolia
                                            Celmisia laricifolia
                                            Celmisia longifolia
                                            Celmisia lyallii
                                            Celmisia petiolata
                                            Celmisia spectabilis
                                            Celmisia traversii
                                            Celmisia viscosa
                                    Centipeda
                                            Centipeda minima
                                              Centipeda minima subsp. minima
                                                     [Centipeda minuta]
                                    Centromadia
                                            Centromadia fitchii
                                                   [Hemizonia fitchii]
                                            Centromadia parryi
                                              Centromadia parryi subsp. parryi
                                                     [Hemizonia parryi]
                                            Centromadia pungens
                                              Centromadia pungens subsp. pungens
                                                     [Hemizonia pungens subsp. interior]
                                                     [Hemizonia pungens]
                                    Cephalipterum
                                            Cephalipterum drummondii
                                    Chaenactis
                                            Chaenactis artemisiifolia
                                            Chaenactis carphoclinia
                                                   [Chaenactis carphoclinia var. attenuata]
                                            Chaenactis cusickii
                                            Chaenactis douglasii
                                                   [Chaenactis douglasii var. achilleifolia]
                                                   [Hymenopappus carolinensis]
                                              Chaenactis douglasii var. alpina
                                                     [Chaenactis alpina]
                                            Chaenactis evermannii
                                            Chaenactis fremontii
                                            Chaenactis glabriuscula
                                                   [Chaenactis glabriuscula var. curta]
                                                   [Chaenactis glabriuscula var. filifolia]
                                                   [Chaenactis tenuifolia]
                                              Chaenactis glabriuscula var. heterocarpha
                                                     [Chaenactis tanacetifolia]
                                              Chaenactis glabriuscula var. lanosa
                                                     [Chaenactis glabriuscula var. denudata]
                                                     [Chaenactis lanosa]
                                            Chaenactis lacera
                                            Chaenactis macrantha
                                            Chaenactis nevadensis
                                            Chaenactis santolinoides
                                            Chaenactis stevioides
                                                   [Chaenactis stevioides var. brachypappa]
                                                   [Chaenactis stevioides var. thornberi]
                                            Chaenactis suffrutescens
                                            Chaenactis xantiana
                                    Chaetacalia
                                            Chaetacalia stylotricha
                                                   [Senecio stylotrichus]
                                    Chaetopappa
                                            Chaetopappa asteroides
                                            Chaetopappa bellidifolia
                                            Chaetopappa bellioides
                                            Chaetopappa ericoides
                                                   [Aster arenosus]
                                                   [Aster hirtifolius]
                                                   [Aster leucelene]
                                                   [Leucelene arenosa]
                                                   [Leucelene hirtella]
                                            Chaetopappa hersheyi
                                            Chaetopappa imberbis
                                                   [Chaetopappa asteroides var. imberbis]
                                            Chaetopappa modesta
                                                   [Chaetopappa asteroides var. grandis]
                                    Chaetymenia
                                            Chaetymenia peduncularis
                                                   [Jaumea peduncularis]
                                    Chamaechaenactis
                                            Chamaechaenactis scaposa
                                    Chamaemelum
                                            Chamaemelum fuscatum
                                                   [Anthemis fuscata]
                                            Chamaemelum nobile
                                                   [Anthemis nobilis]
                                    Chersodoma
                                            Chersodoma antennaria
                                                   [Senecio antennaria]
                                            Chersodoma jodopappa
                                                   [Senecio iodopappus]
                                            Chersodoma juanisernii
                                                   [Senecio juanisernii]
                                    Chevreulia
                                            Chevreulia acuminata
                                            Chevreulia sarmentosa
                                    Chiliadenus
                                            Chiliadenus glutinosus
                                                   [Jasonia glutinosa]
                                            Chiliadenus iphionoides
                                                   [Varthemia iphionoides]
                                            Chiliadenus montanus
                                                   [Varthemia montana]
                                    Chiliophyllum
                                            Chiliophyllum densifolium
                                    Chiliotrichum
                                            Chiliotrichum diffusum
                                                   [Chiliotrichum rosmarinifolium]
                                            Chiliotrichum fuegianum
                                                   [Chiliophyllum fuegianum]
                                    Chloracantha
                                            Chloracantha spinosa
                                                   [Aster spinosus]
                                    Chromolaena
                                            Chromolaena barbacensis
                                                   [Eupatorium barbacense]
                                            Chromolaena collina
                                                   [Eupatorium collinum]
                                                   [Eupatorium mendezii]
                                            Chromolaena connivens
                                                   [Eupatorium connivens]
                                            Chromolaena frustrata
                                            Chromolaena heteroclinia
                                                   [Eupatorium heteroclinium]
                                            Chromolaena maximilianii
                                                   [Eupatorium maximiliani]
                                            Chromolaena ovaliflora
                                                   [Eupatorium bertholdii]
                                            Chromolaena pulchella
                                                   [Eupatorium pulchellum]
                                            Chromolaena roseorum
                                                   [Eupatorium roseorum]
                                            Chromolaena sagittata
                                                   [Eupatorium sagittatum]
                                            Chromolaena scabra
                                                   [Eupatorium scabrum]
                                            Chromolaena squalida
                                                   [Eupatorium dichotomum]
                                                   [Eupatorium squalidum]
                                    Chrysactinia
                                            Chrysactinia mexicana
                                            Chrysactinia pinnata
                                            Chrysactinia truncata
                                    Chrysanthellum
                                            Chrysanthellum americanum
                                            Chrysanthellum indicum
                                    Chrysanthemum
                                            Chrysanthemum alpinum
                                            Chrysanthemum boreale
                                            Chrysanthemum ceratophylloides
                                            Chrysanthemum chanetii
                                            Chrysanthemum cuneifolium
                                            Chrysanthemum discoideum
                                            Chrysanthemum grandiflorum
                                            Chrysanthemum indicum
                                                   [Chrysanthemum indicum var. hibernum]
                                                   [Chrysanthemum indicum var. procumbens]
                                                   [Chrysanthemum nankingense]
                                            Chrysanthemum japonense
                                                   [Chrysanthemum japonense var. ashizuriense]
                                            Chrysanthemum japonicum
                                                   [Chrysanthemum makinoi]
                                            Chrysanthemum morifolium
                                            Chrysanthemum naktongense
                                                   [Chrysanthemum zawadskii var. latilobum]
                                            Chrysanthemum oreastrum
                                                   [Chrysanthemum sichotense]
                                            Chrysanthemum ornatum
                                            Chrysanthemum pallens
                                            Chrysanthemum potentilloides
                                            Chrysanthemum rupestre
                                            Chrysanthemum segetum
                                            Chrysanthemum sinuatum
                                            Chrysanthemum tibeticum
                                            Chrysanthemum vulgare
                                            Chrysanthemum zawadskii
                                              Chrysanthemum zawadskii subsp. zawadskii
                                                     [Chrysanthemum sibiricum]
                                                     [Chrysanthemum weyrichii]
                                              Chrysanthemum zawadskii var. alpinum
                                    Chryselium
                                            Chryselium gnaphalioides
                                                   [Gnaphalium antennarioides]
                                    Chrysocephalum
                                            Chrysocephalum apiculatum
                                              Chrysocephalum apiculatum subsp. apiculatum
                                                     [Helichrysum apiculatum]
                                            Chrysocephalum baxteri
                                                   [Helichrysum baxteri]
                                            Chrysocephalum semipapposum
                                              Chrysocephalum semipapposum subsp. semipapposum
                                                     [Helichrysum semipapposum]
                                    Chrysocoma
                                            Chrysocoma cernua
                                                   [Chrysocoma coma-aurea]
                                    Chrysogonum
                                            Chrysogonum australe
                                                   [Chrysogonum virginianum var. australe]
                                            Chrysogonum virginianum
                                    Chrysoma
                                            Chrysoma pauciflosculosa
                                                   [Solidago pauciflosculosa]
                                    Chrysopsis
                                            Chrysopsis floridana
                                            Chrysopsis gossypina
                                              Chrysopsis gossypina subsp. gossypina
                                                     [Chrysopsis trichophylla]
                                              Chrysopsis gossypina subsp. hyssopifolia
                                                     [Chrysopsis gigantea]
                                                     [Chrysopsis hyssopifolia]
                                            Chrysopsis mariana
                                                   [Heterotheca mariana]
                                            Chrysopsis pilosa
                                            Chrysopsis scabrella
                                            Chrysopsis subulata
                                    Chrysothamnus
                                            Chrysothamnus greenei
                                                   [Chrysothamnus greenei var. filifolius]
                                            Chrysothamnus humilis
                                                   [Chrysothamnus viscidiflorus subsp. humilis]
                                                   [Chrysothamnus viscidiflorus var. humilis]
                                            Chrysothamnus scopulorum
                                                   [Haplopappus scopulorum]
                                            Chrysothamnus stylosus
                                                   [Vanclevea stylosa]
                                            Chrysothamnus vaseyi
                                            Chrysothamnus viscidiflorus
                                              Chrysothamnus viscidiflorus subsp. lanceolatus
                                                     [Chrysothamnus lanceolatus]
                                                     [Chrysothamnus viscidiflorus var. elegans]
                                              Chrysothamnus viscidiflorus subsp. puberulus
                                                     [Chrysothamnus puberulus]
                                                     [Chrysothamnus viscidiflorus var. puberulus]
                                              Chrysothamnus viscidiflorus subsp. viscidiflorus
                                                     [Chrysothamnus douglasii]
                                                     [Chrysothamnus stenophyllus]
                                                     [Chrysothamnus viscidiflorus subsp. latifolius]
                                                     [Chrysothamnus viscidiflorus subsp. stenophyllus]
                                                     [Chrysothamnus viscidiflorus var. tortifolius]
                                    Cineraria
                                            Cineraria alchemilloides
                                            Cineraria anampoza
                                            Cineraria aspera
                                            Cineraria geifolia
                                            Cineraria lobata
                                            Cineraria longipes
                                            Cineraria lyrata
                                            Cineraria platycarpa
                                            Cineraria saxifraga
                                    Cissampelopsis
                                            Cissampelopsis volubilis
                                                   [Senecio hoi]
                                    Cladanthus
                                            Cladanthus arabicus
                                            Cladanthus mixtus
                                                   [Anthemis mixta]
                                    Clappia
                                            Clappia suaedifolia
                                    Clibadium
                                            Clibadium arboreum
                                                   [Clibadium oligandrum]
                                            Clibadium erosum
                                            Clibadium glabrescens
                                                   [Clibadium napoense]
                                            Clibadium harlingii
                                            Clibadium laxum
                                                   [Clibadium alatum]
                                            Clibadium leiocarpum
                                            Clibadium manabiense
                                            Clibadium microcephalum
                                            Clibadium pastazense
                                            Clibadium pentaneuron
                                                   [Clibadium zakii]
                                            Clibadium remotiflorum
                                                   [Clibadium heterotrichum]
                                            Clibadium rhytidophyllum
                                            Clibadium sprucei
                                            Clibadium surinamense
                                                   [Clibadium villosum]
                                            Clibadium sylvestre
                                            Clibadium terebinthinaceum
                                                   [Clibadium alexandri]
                                            Clibadium trianae
                                            Clibadium websteri
                                    Coleostephus
                                            Coleostephus multicaulis
                                                   [Chrysanthemum multicaule]
                                            Coleostephus myconis
                                              Coleostephus myconis subsp. myconis
                                                     [Chrysanthemum myconis]
                                    Columbiadoria
                                            Columbiadoria hallii
                                                   [Haplopappus hallii]
                                    Comaclinium
                                            Comaclinium montanum
                                                   [Dyssodia montana]
                                    Commidendrum
                                            Commidendrum gummiferum
                                            Commidendrum robustum
                                            Commidendrum rotundifolium
                                            Commidendrum rugosum
                                            Commidendrum spurium
                                    Condylidium
                                            Condylidium iresinoides
                                                   [Eupatorium iresinoides]
                                    Conoclinium
                                            Conoclinium betonicifolium
                                                   [Eupatorium betonicifolium]
                                                   [Eupatorium betonicum]
                                            Conoclinium coelestinum
                                                   [Eupatorium coelestinum f. album]
                                                   [Eupatorium coelestinum]
                                            Conoclinium dissectum
                                                   [Eupatorium greggii]
                                    Constancea
                                            Constancea nevinii
                                                   [Eriophyllum nevinii]
                                    Conyza
                                            Conyza ambigua
                                            Conyza floribunda
                                            Conyza mandrarensis
                                            Conyza minutiflora
                                            Conyza newii
                                            Conyza pannosa
                                            Conyza paulseni
                                            Conyza pedunculata
                                            Conyza perrieri
                                            Conyza schimperi
                                            Conyza schlechtendalii
                                            Conyza steudelii
                                            Conyza stricta
                                    Coreocarpus
                                            Coreocarpus arizonicus
                                              Coreocarpus arizonicus var. pubescens
                                            Coreocarpus dissectus
                                            Coreocarpus parthenioides
                                                   [Coreocarpus shrevei]
                                              Coreocarpus parthenioides var. heterocarpus
                                    Coreopsis
                                            Coreopsis angustifolia
                                            Coreopsis auriculata
                                            Coreopsis basalis
                                                   [Coreopsis basalis var. wrightii]
                                                   [Coreopsis drummondii]
                                            Coreopsis bigelowii
                                                   [Coreopsis bigelovii]
                                            Coreopsis californica
                                            Coreopsis calliopsidea
                                            Coreopsis coronata
                                            Coreopsis crassifolia
                                            Coreopsis douglasii
                                            Coreopsis fasciculata
                                            Coreopsis gigantea
                                            Coreopsis gladiata
                                                   [Coreopsis falcata]
                                                   [Coreopsis helianthoides]
                                                   [Coreopsis longifolia]
                                            Coreopsis grandiflora
                                                   [Coreopsis grandiflora f. harveyana]
                                                   [Coreopsis saxicola]
                                            Coreopsis integrifolia
                                            Coreopsis intermedia
                                            Coreopsis involucrata
                                            Coreopsis lanceolata
                                                   [Coreopsis lanceolata var. villosa]
                                            Coreopsis latifolia
                                            Coreopsis leavenworthii
                                                   [Coreopsis leavenworthii var. curtissii]
                                                   [Coreopsis leavenworthii var. garberi]
                                                   [Coreopsis leavenworthii var. lewtonii]
                                            Coreopsis major
                                                   [Coreopsis major var. rigida]
                                                   [Coreopsis major var. stellata]
                                                   [Coreopsis senifolia]
                                            Coreopsis maritima
                                            Coreopsis nudata
                                            Coreopsis nuecensis
                                            Coreopsis palmata
                                            Coreopsis petrophila
                                            Coreopsis petrophiloides
                                            Coreopsis pubescens
                                                   [Coreopsis pubescens var. robusta]
                                            Coreopsis rosea
                                            Coreopsis rudis
                                                   [Gymnolomia rudis]
                                            Coreopsis stillmanii
                                            Coreopsis tinctoria
                                                   [Coreopsis atkinsoniana]
                                                   [Coreopsis cardaminifolia]
                                            Coreopsis tripteris
                                                   [Coreopsis tripteris var. deamii]
                                            Coreopsis verticillata
                                    Corethrogyne
                                            Corethrogyne filaginifolia
                                                   [Corethrogyne californica]
                                                   [Corethrogyne filaginifolia var. bernardina]
                                                   [Corethrogyne filaginifolia var. brevicula]
                                                   [Corethrogyne filaginifolia var. latifolia]
                                                   [Corethrogyne filaginifolia var. linifolia]
                                                   [Corethrogyne filaginifolia var. rigida]
                                                   [Corethrogyne filaginifolia var. robusta]
                                                   [Corethrogyne filaginifolia var. virgata]
                                                   [Corethrogyne leucophylla]
                                                   [Corethrogyne sessilis]
                                                   [Corethrogyne viscidula]
                                              Corethrogyne filaginifolia var. peirsonii
                                    Coronidium
                                            Coronidium elatum
                                              Coronidium elatum subsp. elatum
                                                     [Helichrysum elatum]
                                            Coronidium rutidolepis
                                                   [Helichrysum rutidolepis]
                                    Cosmos
                                            Cosmos bipinnatus
                                            Cosmos caudatus
                                            Cosmos crithmifolius
                                            Cosmos diversifolius
                                            Cosmos landii
                                                   [Bidens palmeri]
                                            Cosmos linearifolius
                                            Cosmos parviflorus
                                            Cosmos peucedanifolius
                                            Cosmos pringlei
                                            Cosmos scabiosoides
                                            Cosmos seemannii
                                            Cosmos sulphureus
                                    Cota
                                            Cota amblyolepis
                                                   [Anthemis palestina subsp. amblyolepis]
                                            Cota dubia
                                                   [Anthemis dubia]
                                            Cota jailensis
                                                   [Anthemis jailensis]
                                            Cota macrantha
                                                   [Anthemis macrantha]
                                            Cota macroglossa
                                                   [Anthemis macroglossa]
                                            Cota monantha
                                                   [Anthemis monantha]
                                            Cota palaestina
                                                   [Anthemis palestina]
                                            Cota segetalis
                                                   [Anthemis chamomilla]
                                            Cota tinctoria
                                              Cota tinctoria subsp. sancti-johannis
                                                     [Anthemis sancti-johannis]
                                              Cota tinctoria subsp. tinctoria
                                                     [Anthemis subtinctoria]
                                                     [Anthemis tinctoria subsp. discoidea]
                                                     [Anthemis tinctoria]
                                                     [Anthemis zephyrovii]
                                            Cota triumfetti
                                              Cota triumfetti subsp. triumfetti
                                                     [Anthemis triumfetti]
                                            Cota triumfettii
                                              Cota triumfettii subsp. triumfettii
                                                     [Anthemis dumetorum]
                                                     [Anthemis rigescens]
                                    Cotula
                                            Cotula anthemoides
                                            Cotula aurea
                                            Cotula australis
                                            Cotula coronopifolia
                                            Cotula filifolia
                                            Cotula hemisphaerica
                                            Cotula hispida
                                            Cotula mexicana
                                            Cotula minuta
                                            Cotula moseleyi
                                            Cotula myriophylloides
                                            Cotula sericea
                                                   [Cenia sericea]
                                            Cotula turbinata
                                                   [Cenia turbinata]
                                    Coulterella
                                            Coulterella capitata
                                    Craspedia
                                            Craspedia alpina
                                            Craspedia glauca
                                                   [Craspedia richea]
                                            Craspedia uniflora
                                    Crassocephalum
                                            Crassocephalum bauchiense
                                            Crassocephalum crepidioides
                                                   [Gynura crepidioides]
                                            Crassocephalum montuosum
                                            Crassocephalum rubens
                                            Crassocephalum splendens
                                            Crassocephalum vitellinum
                                    Crassothonna
                                            Crassothonna cacalioides
                                                   [Othonna cacalioides]
                                            Crassothonna floribunda
                                                   [Othonna floribunda]
                                            Crassothonna sedifolia
                                                   [Othonna sedifolia]
                                    Cratystylis
                                            Cratystylis conocephala
                                    Cremanthodium
                                            Cremanthodium arnicoides
                                                   [Ligularia arnicoides]
                                            Cremanthodium decaisnei
                                            Cremanthodium ellisii
                                                   [Cremanthodium plantagineum]
                                            Cremanthodium reniforme
                                    Critonia
                                           [Urbananthus]
                                            Critonia billbergiana
                                                   [Critonia eggersii]
                                                   [Eupatorium billbergianum]
                                            Critonia breedlovei
                                            Critonia conzattii
                                            Critonia daleoides
                                                   [Eupatorium daleoides]
                                            Critonia hebebotrya
                                                   [Eupatorium hebebotryum]
                                            Critonia hospitalis
                                                   [Eupatorium hospitale]
                                            Critonia inaequidens
                                                   [Eupatorium inaequidens]
                                            Critonia microdon
                                                   [Critoniadelphus microdon]
                                            Critonia morifolia
                                                   [Eupatorium morifolium]
                                            Critonia paneroi
                                            Critonia quadrangularis
                                                   [Eupatorium quadrangulare]
                                            Critonia tuxtlae
                                    Crocidium
                                            Crocidium multicaule
                                    Cronquistianthus
                                            Cronquistianthus bulliferus
                                            Cronquistianthus glomeratus
                                                   [Eupatorium glomeratum]
                                            Cronquistianthus niveus
                                                   [Eupatorium niveum]
                                            Cronquistianthus origanoides
                                            Cronquistianthus pseudoriganoides
                                                   [Eupatorium pseudoriganoides]
                                            Cronquistianthus rosei
                                            Cronquistianthus volkensii
                                                   [Eupatorium volkensii]
                                    Croptilon
                                            Croptilon divaricatum
                                                   [Haplopappus divaricatus]
                                            Croptilon hookerianum
                                              Croptilon hookerianum var. validum
                                                     [Haplopappus validus]
                                    Crossostephium
                                            Crossostephium chinense
                                                   [Crossostephium artemisioides]
                                    Crossothamnus
                                            Crossothamnus gentryi
                                    Culcitium
                                            Culcitium canescens
                                                   [Culcitium rufescens]
                                            Culcitium humile
                                                   [Senecio mandonianus]
                                            Culcitium nivale
                                            Culcitium oligocephalum
                                                   [Culcitium albifolium]
                                    Cuniculotinus
                                            Cuniculotinus gramineus
                                                   [Chrysothamnus gramineus]
                                    Curio
                                            Curio citriformis
                                                   [Senecio citriformis]
                                            Curio ficoides
                                                   [Senecio ficoides]
                                            Curio radicans
                                                   [Senecio radicans]
                                            Curio talinoides
                                                   [Senecio vitalis]
                                              Curio talinoides var. mandraliscae
                                                     [Senecio mandraliscae]
                                    Cyathocline
                                    Cyclachaena
                                            Cyclachaena xanthiifolia
                                    Cylindrocline
                                            Cylindrocline commersonii
                                    Cymbopappus
                                            Cymbopappus adenosolen
                                                   [Chrysanthemum thunbergii]
                                    Dahlia
                                            Dahlia atropurpurea
                                            Dahlia australis
                                            Dahlia coccinea
                                            Dahlia imperialis
                                                   [Dahlia lehmannii]
                                                   [Dahlia maximiliana]
                                            Dahlia merckii
                                            Dahlia pinnata
                                            Dahlia rudis
                                            Dahlia scapigera
                                            Dahlia scapigeroides
                                            Dahlia tenuicaulis
                                            Dahlia × pinnata
                                                   [Dahlia variabilis]
                                    Decachaeta
                                            Decachaeta haenkeana
                                            Decachaeta incompta
                                                   [Eupatorium incomptum]
                                            Decachaeta pyramidalis
                                                   [Piqueria pyramidalis]
                                            Decachaeta scabrella
                                                   [Ophryosporus scabrellus]
                                    Deinandra
                                            Deinandra clementina
                                                   [Hemizonia clementina]
                                            Deinandra conjugens
                                            Deinandra corymbosa
                                                   [Hemizonia corymbosa subsp. macrocephala]
                                                   [Hemizonia corymbosa]
                                            Deinandra fasciculata
                                                   [Hemizonia fasciculata]
                                                   [Hemizonia ramosissima]
                                            Deinandra floribunda
                                                   [Hemizonia floribunda]
                                            Deinandra frutescens
                                                   [Hemizonia frutescens]
                                            Deinandra increscens
                                              Deinandra increscens subsp. villosa
                                            Deinandra kelloggii
                                                   [Hemizonia kelloggii]
                                                   [Hemizonia wrightii]
                                            Deinandra lobbii
                                                   [Hemizonia lobbii]
                                            Deinandra minthornii
                                                   [Hemizonia minthornii]
                                            Deinandra pallida
                                                   [Hemizonia pallida]
                                            Deinandra paniculata
                                                   [Hemizonia paniculata]
                                            Deinandra pentactis
                                                   [Hemizonia lobbii subsp. pentactis]
                                    Delairea
                                            Delairea odorata
                                                   [Senecio mikanioides]
                                    Delilia
                                            Delilia biflora
                                                   [Elvira biflora]
                                            Delilia repens
                                                   [Delilia inelegans]
                                    Dendrocacalia
                                            Dendrocacalia crepidifolia
                                    Dendrophorbium
                                            Dendrophorbium acuminatissimum
                                            Dendrophorbium americanum
                                                   [Senecio americanus]
                                                   [Senecio xanthopappus]
                                            Dendrophorbium amplexicaule
                                            Dendrophorbium angelense
                                            Dendrophorbium balsapampae
                                            Dendrophorbium bomanii
                                                   [Senecio bomanii]
                                            Dendrophorbium dodsonii
                                            Dendrophorbium floribundum
                                                   [Pentacalia floribunda]
                                            Dendrophorbium gesnerifolium
                                            Dendrophorbium ingens
                                            Dendrophorbium kleinioides
                                                   [Senecio pennellii]
                                            Dendrophorbium pericaule
                                            Dendrophorbium pururu
                                            Dendrophorbium scytophyllum
                                            Dendrophorbium solisii
                                            Dendrophorbium vallecaucanum
                                                   [Pentacalia vallecaucana]
                                    Dendrosenecio
                                            Dendrosenecio cheranganiensis
                                              Dendrosenecio cheranganiensis subsp. cheranganiensis
                                              Dendrosenecio cheranganiensis subsp. dalei
                                    Dendroviguiera
                                            Dendroviguiera splendens
                                            Dendroviguiera sylvatica
                                                   [Viguiera sylvatica]
                                    Denekia
                                            Denekia capensis
                                    Desmanthodium
                                            Desmanthodium fruticosum
                                            Desmanthodium perfoliatum
                                                   [Desmanthodium caudatum]
                                            Desmanthodium tomentosum
                                    Diaperia
                                            Diaperia candida
                                                   [Evax candida]
                                                   [Filago candida]
                                            Diaperia prolifera
                                                   [Evax prolifera]
                                            Diaperia verna
                                                   [Evax multicaulis]
                                                   [Evax verna]
                                                   [Filago nivea]
                                    Dicerothamnus
                                            Dicerothamnus rhinocerotis
                                                   [Elytropappus rhinocerotis]
                                    Dichaetophora
                                            Dichaetophora campestris
                                    Dichrocephala
                                            Dichrocephala chrysanthemifolia
                                            Dichrocephala integrifolia
                                              Dichrocephala integrifolia subsp. integrifolia
                                                     [Dichrocephala latifolia]
                                    Dicoria
                                            Dicoria canescens
                                              Dicoria canescens subsp. canescens
                                                     [Dicoria oblongifolia]
                                              Dicoria canescens subsp. clarkiae
                                                     [Dicoria clarkiae]
                                    Dicranocarpus
                                            Dicranocarpus parviflorus
                                    Dieteria
                                            Dieteria asteroides
                                                   [Aster tephrodes]
                                            Dieteria bigelovii
                                                   [Aster aquifolius]
                                                   [Aster rubrotinctus]
                                                   [Machaeranthera aquifolia]
                                                   [Machaeranthera aspera]
                                                   [Machaeranthera bigelovii]
                                                   [Machaeranthera varians]
                                                   [Machaeranthera viscosula]
                                            Dieteria canescens
                                                   [Aster canescens var. viscosus]
                                                   [Aster leiodes]
                                                   [Machaeranthera canescens]
                                                   [Machaeranthera pulverulenta]
                                                   [Machaeranthera selbyi]
                                                   [Machaeranthera viscosa]
                                              Dieteria canescens var. glabra
                                                     [Machaeranthera cichoriacea]
                                              Dieteria canescens var. leucanthemifolia
                                                     [Aster leucanthemifolius]
                                            Dieteria shastensis
                                                   [Aster shastensis var. eradiatus]
                                                   [Aster shastensis]
                                    Dimeresia
                                            Dimeresia howellii
                                    Dimerostemma
                                            Dimerostemma arnottii
                                                   [Verbesina arnottii]
                                            Dimerostemma aspilioides
                                                   [Zexmenia aspilioides]
                                    Dimorphotheca
                                            Dimorphotheca chrysanthemifolia
                                                   [Dimorphotheca chrysanthemoides]
                                            Dimorphotheca cuneata
                                            Dimorphotheca dregei
                                                   [Osteospermum dregei]
                                            Dimorphotheca jucunda
                                                   [Osteospermum jucundum]
                                            Dimorphotheca nudicaulis
                                              Dimorphotheca nudicaulis var. graminifolia
                                            Dimorphotheca pinnata
                                                   [Osteospermum pinnatum]
                                            Dimorphotheca pluvialis
                                                   [Dimorphotheca hybrida]
                                            Dimorphotheca polyptera
                                            Dimorphotheca sinuata
                                                   [Dimorphotheca calendulacea]
                                            Dimorphotheca spectabilis
                                            Dimorphotheca tragus
                                                   [Dimorphotheca aurantiaca]
                                            Dimorphotheca zeyheri
                                            Diplopappus cornifolius
                                            Diplopappus filifolius
                                    Diplostephium
                                            Diplostephium asplundii
                                            Diplostephium barclayanum
                                            Diplostephium cinereum
                                            Diplostephium crypteriophyllum
                                            Diplostephium dentatum
                                            Diplostephium ericoides
                                                   [Diplostephium antisanense]
                                                   [Diplostephium lavandulifolium]
                                            Diplostephium glandulosum
                                            Diplostephium haenkei
                                            Diplostephium juniperinum
                                            Diplostephium meyenii
                                            Diplostephium ramiglabrum
                                    Disparago
                                            Disparago ericoides
                                    Disynaphia
                                            Disynaphia calyculata
                                                   [Eupatorium calyculatum]
                                    Dittrichia
                                            Dittrichia graveolens
                                                   [Inula graveolens]
                                            Dittrichia viscosa
                                              Dittrichia viscosa subsp. viscosa
                                                     [Inula viscosa]
                                    Doellia
                                            Doellia cafra
                                                   [Blumea cafra]
                                    Doellingeria
                                            Doellingeria breweri
                                                   [Chrysopsis breweri]
                                            Doellingeria elegans
                                                   [Aster perelegans]
                                            Doellingeria glaucescens
                                                   [Eucephalus glaucophyllus]
                                            Doellingeria ledophylla
                                                   [Aster ledophyllus]
                                            Doellingeria paucicapitata
                                                   [Aster paucicapitatus]
                                            Doellingeria sericocarpoides
                                                   [Aster umbellatus var. latifolius]
                                            Doellingeria tomentella
                                                   [Aster brickellioides]
                                            Doellingeria umbellata
                                                   [Aster amygdalinus]
                                                   [Aster umbellatus]
                                    Dorobaea
                                            Dorobaea pimpinellifolia
                                                   [Senecio pimpinellifolius]
                                    Doronicum
                                            Doronicum austriacum
                                            Doronicum caucasicum
                                            Doronicum clusii
                                            Doronicum columnae
                                            Doronicum cordatum
                                            Doronicum corsicum
                                            Doronicum falconeri
                                            Doronicum hungaricum
                                            Doronicum pardalianches
                                            Doronicum plantagineum
                                              Doronicum plantagineum var. excelsum
                                            Doronicum roylei
                                    Dubautia
                                            Dubautia arborea
                                            Dubautia herbstobatae
                                            Dubautia imbricata
                                              Dubautia imbricata subsp. acronaea
                                              Dubautia imbricata subsp. imbricata
                                            Dubautia kalalauensis
                                            Dubautia kenwoodii
                                            Dubautia knudsenii
                                              Dubautia knudsenii subsp. filiformis
                                              Dubautia knudsenii subsp. knudsenii
                                              Dubautia knudsenii subsp. nagatae
                                            Dubautia laevigata
                                            Dubautia latifolia
                                            Dubautia laxa
                                            Dubautia menziesii
                                                   [Railliardia menziesii]
                                            Dubautia microcephala
                                            Dubautia paleata
                                            Dubautia pauciflorula
                                            Dubautia plantaginea
                                              Dubautia plantaginea subsp. humilis
                                              Dubautia plantaginea subsp. magnifolia
                                            Dubautia raillardioides
                                            Dubautia reticulata
                                            Dubautia scabra
                                              Dubautia scabra subsp. leiophylla
                                                     [Dubautia lonchophylla]
                                              Dubautia scabra subsp. scabra
                                                     [Railliardia scabra]
                                            Dubautia syndetica
                                            Dubautia waialealae
                                    Dugesia
                                            Dugesia mexicana
                                    Duhaldea
                                            Duhaldea cappa
                                                   [Inula cappa]
                                            Duhaldea cuspidata
                                                   [Inula cuspidata]
                                    Dyssodia
                                            Dyssodia decipiens
                                                   [Dyssodia sanguinea]
                                            Dyssodia papposa
                                                   [Dyssodia chrysanthemoides]
                                                   [Dyssodia ciliosa]
                                                   [Dyssodia fastigiata]
                                            Dyssodia pinnata
                                                   [Dyssodia pubescens]
                                    Eastwoodia
                                            Eastwoodia elegans
                                    Eatonella
                                            Eatonella nivea
                                    Echinacea
                                            Echinacea angustifolia
                                                   [Echinacea angustifolia var. strigosa]
                                            Echinacea atrorubens
                                                   [Rudbeckia atrorubens]
                                            Echinacea laevigata
                                            Echinacea pallida
                                            Echinacea paradoxa
                                            Echinacea purpurea
                                                   [Echinacea purpurea var. serotina]
                                                   [Rudbeckia purpurea]
                                            Echinacea sanguinea
                                            Echinacea tennesseensis
                                    Eclipta
                                            Eclipta alba
                                                   [Eclipta erecta]
                                                   [Polygyne inconspicua]
                                                   [Verbesina alba]
                                            Eclipta elliptica
                                            Eclipta prostrata
                                            Eclipta thermalis
                                    Edmondia
                                            Edmondia sesamoides
                                                   [Helichrysum sesamoides]
                                    Egletes
                                            Egletes humifusa
                                            Egletes prostrata
                                                   [Egletes domingensis]
                                            Egletes viscosa
                                    Elaphandra
                                            Elaphandra paucipunctata
                                            Elaphandra quinquenervis
                                                   [Aspilia quinquenervis]
                                            Elaphandra retroflexa
                                            Elaphandra ulei
                                                   [Elaphandra lucidula]
                                            Elaphandra verbesinoides
                                                   [Aspilia nigropunctata]
                                    Electranthera
                                            Electranthera mutica
                                                   [Coreopsis mutica]
                                    Elekmania
                                            Elekmania haitiensis
                                                   [Senecio haitiensis]
                                            Elekmania picardae
                                                   [Senecio picardae]
                                            Elekmania samanensis
                                                   [Senecio samanensis]
                                    Eleutheranthera
                                            Eleutheranthera ruderalis
                                    Elytropappus
                                    Emilia
                                            Emilia bellioides
                                                   [Senecio bellioides]
                                            Emilia blittersdorffii
                                            Emilia chiovendeana
                                            Emilia coccinea
                                            Emilia crispata
                                            Emilia cryptantha
                                            Emilia discifolia
                                                   [Senecio discifolius]
                                            Emilia djalonensis
                                            Emilia hockii
                                                   [Senecio rogersii]
                                            Emilia javanica
                                                   [Emilia flammea]
                                                   [Emilia sagittata]
                                            Emilia libeniana
                                            Emilia longifolia
                                            Emilia pammicrocephala
                                            Emilia sonchifolia
                                            Emilia subscaposa
                                            Emilia tenuipes
                                            Emilia ukingensis
                                    Encelia
                                            Encelia actoni
                                                   [Encelia frutescens var. actoni]
                                            Encelia asperifolia
                                                   [Encelia californica var. asperifolia]
                                            Encelia californica
                                            Encelia canescens
                                              Encelia canescens var. oblongifolia
                                                     [Encelia oblongifolia]
                                              Encelia canescens var. parvifolia
                                                     [Encelia canescens var. lanuginosa]
                                                     [Encelia canescens var. tomentosa]
                                            Encelia conspersa
                                            Encelia farinosa
                                                   [Encelia farinosa var. phenicodonta]
                                                   [Encelia farinosa var. radians]
                                            Encelia frutescens
                                              Encelia frutescens var. virginensis
                                            Encelia nutans
                                                   [Enceliopsis nutans]
                                            Encelia palmeri
                                            Encelia pilosiflora
                                            Encelia resinifera
                                                   [Encelia frutescens var. resinosa]
                                            Encelia virginensis
                                              Encelia virginensis subsp. actoni
                                    Enceliopsis
                                            Enceliopsis argophylla
                                            Enceliopsis covillei
                                            Enceliopsis nudicaulis
                                                   [Enceliopsis nudicaulis var. corrugata]
                                    Engelmannia
                                            Engelmannia peristenia
                                                   [Engelmannia pinnatifida]
                                    Epaltes
                                            Epaltes mexicana
                                    Erechtites
                                            Erechtites atkinsoniae
                                            Erechtites hieraciifolia
                                            Erechtites hieraciifolius
                                              Erechtites hieraciifolius var. cacalioides
                                              Erechtites hieraciifolius var. megalocarpus
                                                     [Erechtites megalocarpus]
                                            Erechtites hispidula
                                                   [Senecio hispidulus]
                                            Erechtites prenanthoides
                                            Erechtites quadridentata
                                                   [Senecio quadridentatus]
                                            Erechtites valerianifolius
                                    Ericameria
                                            Ericameria albida
                                                   [Chrysothamnus albidus]
                                            Ericameria arborescens
                                                   [Haplopappus arborescens]
                                            Ericameria bloomeri
                                                   [Chrysothamnus bloomeri var. angustatus]
                                                   [Chrysothamnus bloomeri]
                                                   [Haplopappus bloomeri var. angustatus]
                                                   [Haplopappus bloomeri]
                                            Ericameria compacta
                                                   [Haplopappus bloomeri var. compactus]
                                            Ericameria cooperi
                                                   [Ericameria monactis]
                                                   [Haplopappus cooperi]
                                                   [Haplopappus monactis]
                                            Ericameria cuneata
                                                   [Haplopappus cuneatus]
                                              Ericameria cuneata var. spathulata
                                                     [Haplopappus cuneatus var. spathulatus]
                                            Ericameria discoidea
                                                   [Haplopappus macronema]
                                            Ericameria ericoides
                                                   [Haplopappus ericoides subsp. blakei]
                                                   [Haplopappus ericoides]
                                            Ericameria fasciculata
                                                   [Haplopappus eastwoodae]
                                            Ericameria gilmanii
                                                   [Haplopappus gilmanii]
                                            Ericameria greenei
                                                   [Haplopappus greenei]
                                            Ericameria laricifolia
                                                   [Haplopappus laricifolius]
                                            Ericameria linearifolia
                                                   [Aster linearifolius]
                                                   [Stenotopsis interior]
                                                   [Stenotopsis linearifolius]
                                            Ericameria monocephala
                                                   [Chrysothamnus parryi var. monocephalus]
                                            Ericameria nana
                                                   [Haplopappus nanus]
                                            Ericameria nauseosa
                                                   [Chrysothamnus nauseosus subsp. occidentalis]
                                                   [Chrysothamnus nauseosus subsp. viridulus]
                                                   [Chrysothamnus nauseosus]
                                                   [Chrysothamnus occidentalis]
                                                   [Chrysothamnus pulcherrimus]
                                              Ericameria nauseosa var. bigelovii
                                                     [Chrysothamnus nauseosus subsp. bigelovii]
                                              Ericameria nauseosa var. ceruminosa
                                                     [Chrysothamnus ceruminosus]
                                                     [Chrysothamnus nauseosus subsp. ceruminosus]
                                                     [Chrysothamnus nauseosus subsp. consimilis]
                                              Ericameria nauseosa var. graveolens
                                                     [Chrysothamnus graveolens]
                                              Ericameria nauseosa var. hololeuca
                                                     [Chrysothamnus nauseosus subsp. gnaphalodes]
                                                     [Chrysothamnus nauseosus subsp. hololeucus]
                                                     [Chrysothamnus nauseosus var. gnaphalodes]
                                              Ericameria nauseosa var. juncea
                                                     [Chrysothamnus nauseosus subsp. junceus]
                                              Ericameria nauseosa var. latisquamea
                                                     [Chrysothamnus nauseosus subsp. latisquameus]
                                              Ericameria nauseosa var. leiosperma
                                                     [Chrysothamnus leiospermus]
                                                     [Chrysothamnus nauseosus subsp. leiospermus]
                                                     [Chrysothamnus nauseosus var. abbreviatus]
                                              Ericameria nauseosa var. mohavensis
                                                     [Chrysothamnus mohavensis]
                                                     [Chrysothamnus nauseosus subsp. mohavensis]
                                              Ericameria nauseosa var. oreophila
                                                     [Chrysothamnus consimilis]
                                                     [Chrysothamnus nauseosus subsp. pinifolius]
                                                     [Chrysothamnus nauseosus var. artus]
                                                     [Chrysothamnus pinifolius]
                                              Ericameria nauseosa var. salicifolia
                                                     [Chrysothamnus nauseosus subsp. salicifolius]
                                              Ericameria nauseosa var. speciosa
                                                     [Chrysothamnus nauseosus subsp. albicaulis]
                                                     [Chrysothamnus nauseosus subsp. speciosus]
                                                     [Chrysothamnus speciosus]
                                            Ericameria obovata
                                                   [Haplopappus rydbergii]
                                            Ericameria palmeri
                                                   [Haplopappus palmeri]
                                            Ericameria paniculata
                                                   [Chrysothamnus paniculatus]
                                            Ericameria parishii
                                                   [Haplopappus parishii]
                                            Ericameria parryi
                                                   [Chrysothamnus parryi]
                                                   [Chrysothamnus wyomingensis]
                                              Ericameria parryi var. affinis
                                                     [Chrysothamnus parryi subsp. affinis]
                                              Ericameria parryi var. aspera
                                                     [Chrysothamnus parryi var. asper]
                                              Ericameria parryi var. attenuata
                                                     [Chrysothamnus parryi var. attenuatus]
                                              Ericameria parryi var. howardii
                                                     [Chrysothamnus parryi subsp. howardii]
                                              Ericameria parryi var. montana
                                                     [Chrysothamnus parryi subsp. montanus]
                                              Ericameria parryi var. nevadensis
                                                     [Chrysothamnus nevadensis]
                                                     [Chrysothamnus parryi var. nevadensis]
                                              Ericameria parryi var. salmonensis
                                                     [Chrysothamnus parryi subsp. salmonensis]
                                              Ericameria parryi var. vulcanica
                                                     [Chrysothamnus parryi subsp. vulcanicus]
                                            Ericameria pinifolia
                                                   [Haplopappus pinifolius]
                                            Ericameria resinosa
                                                   [Haplopappus resinosus]
                                            Ericameria teretifolia
                                                   [Chrysothamnus teretifolius]
                                            Ericameria watsonii
                                                   [Haplopappus watsonii]
                                    Erigeron
                                            Erigeron abajoensis
                                            Erigeron acris
                                              Erigeron acris subsp. acris
                                                     [Erigeron orientalis]
                                              Erigeron acris subsp. kamtschaticus
                                              Erigeron acris var. multicaulis
                                                     [Erigeron multicaulis]
                                            Erigeron adscendens
                                            Erigeron affinis
                                            Erigeron aliceae
                                            Erigeron alpinus
                                            Erigeron altaicus
                                            Erigeron alternifolius
                                                   [Darwiniothamnus alternifolius]
                                            Erigeron andicola
                                                   [Erigeron andinus]
                                            Erigeron angustatus
                                            Erigeron annuus
                                                   [Erigeron traversii]
                                            Erigeron aphanactis
                                                   [Erigeron concinnus var. aphanactis]
                                            Erigeron arenarioides
                                                   [Aster arenarioides]
                                            Erigeron argentatus
                                            Erigeron arizonicus
                                                   [Erigeron rusbyi]
                                            Erigeron asperugineus
                                                   [Aster asperugineus]
                                            Erigeron atticus
                                                   [Erigeron villarsii]
                                            Erigeron aureus
                                            Erigeron barbellulatus
                                            Erigeron bellidiastrum
                                            Erigeron berterianus
                                            Erigeron bigelovii
                                            Erigeron bloomeri
                                              Erigeron bloomeri var. nudatus
                                                     [Erigeron nudatus]
                                            Erigeron bonariensis
                                                   [Conyza bonariensis]
                                                   [Conyza crispa]
                                                   [Erigeron crispus]
                                            Erigeron borealis
                                            Erigeron breweri
                                              Erigeron breweri var. covillei
                                                     [Erigeron foliosus var. covillei]
                                              Erigeron breweri var. porphyreticus
                                            Erigeron bustillosianus
                                                   [Conyza bustillosiana]
                                            Erigeron caespitosus
                                                   [Erigeron caespitosus var. laccoliticus]
                                            Erigeron calcicola
                                            Erigeron canadensis
                                                   [Conyza canadensis]
                                                   [Conyza parva]
                                                   [Erigeron pusillus]
                                                   [Leptilon canadense]
                                                   [Leptilon pusillum]
                                            Erigeron canus
                                            Erigeron cardaminifolius
                                                   [Conyza cardaminifolia]
                                            Erigeron caucasicus
                                              Erigeron caucasicus subsp. venustus
                                                     [Erigeron venustus]
                                            Erigeron cervinus
                                            Erigeron chinensis
                                            Erigeron chrysopsidis
                                                   [Erigeron curvifolius]
                                            Erigeron ciliaris
                                            Erigeron cinereus
                                            Erigeron columnaris
                                                   [Conyza microcephala]
                                            Erigeron compactus
                                            Erigeron compositus
                                                   [Erigeron compositus subsp. discoideus]
                                                   [Erigeron compositus var. glabratus]
                                                   [Erigeron compositus var. incertus]
                                                   [Erigeron compositus var. multifidus]
                                                   [Erigeron compositus var. petraeus]
                                                   [Erigeron multifidus]
                                            Erigeron concinnus
                                                   [Erigeron concinnus var. eremicus]
                                                   [Erigeron pumilus subsp. concinnoides]
                                              Erigeron concinnus var. condensatus
                                            Erigeron coronarius
                                            Erigeron corymbosus
                                            Erigeron coulteri
                                            Erigeron cuneifolius
                                            Erigeron decumbens
                                            Erigeron deserticolus
                                                   [Erigeron cinerascens]
                                            Erigeron dissectus
                                            Erigeron divaricatus
                                            Erigeron divergens
                                            Erigeron dryophyllus
                                            Erigeron eatonii
                                              Erigeron eatonii var. nevadincola
                                                     [Erigeron nevadincola]
                                            Erigeron elatior
                                                   [Erigeron grandiflorus var. elatior]
                                            Erigeron elegantulus
                                                   [Erigeron linearis var. elegantulus]
                                            Erigeron elmeri
                                                   [Erigeron breweri var. elmeri]
                                            Erigeron elongatus
                                            Erigeron engelmannii
                                            Erigeron eriocephalus
                                            Erigeron evermannii
                                            Erigeron eximius
                                                   [Erigeron superbus]
                                            Erigeron fernandezianus
                                            Erigeron flagellaris
                                                   [Erigeron nudiflorus]
                                            Erigeron floribundus
                                                   [Conyza bilbaoana]
                                            Erigeron foliosus
                                                   [Erigeron foliosus var. tenuissimus]
                                              Erigeron foliosus var. confinis
                                                     [Erigeron confinis]
                                              Erigeron foliosus var. hartwegii
                                              Erigeron foliosus var. stenophyllus
                                            Erigeron formosissimus
                                                   [Erigeron pecosensis]
                                                   [Erigeron smithii]
                                              Erigeron formosissimus var. viscidus
                                                     [Erigeron viscidus]
                                            Erigeron fraternus
                                                   [Achaetogeron affinis]
                                            Erigeron frigidus
                                            Erigeron galeottii
                                                   [Achaetogeron mexicanus]
                                                   [Astranthium mexicanum]
                                            Erigeron garrettii
                                                   [Erigeron controversus]
                                            Erigeron geiseri
                                            Erigeron glabellus
                                                   [Erigeron asper var. subinteger]
                                                   [Erigeron asper]
                                              Erigeron glabellus var. pubescens
                                                     [Erigeron drummondii]
                                            Erigeron glabratus
                                              Erigeron glabratus subsp. occidentalis
                                                     [Aster pyrenaeus]
                                            Erigeron glacialis
                                                   [Erigeron callianthemus]
                                                   [Erigeron peregrinus var. angustifolius]
                                                   [Erigeron peregrinus var. callianthemus]
                                                   [Erigeron salsuginosus subsp. angustifolius]
                                                   [Erigeron scaposus]
                                            Erigeron glandulosus
                                            Erigeron glaucus
                                                   [Erigeron californicus]
                                            Erigeron grandiflorus
                                                   [Erigeron simplex]
                                            Erigeron greenei
                                                   [Erigeron inornatus var. angustatus]
                                            Erigeron hirtellus
                                            Erigeron howellii
                                            Erigeron humilis
                                                   [Erigeron unalaschkensis]
                                            Erigeron hyssopifolius
                                            Erigeron incertus
                                            Erigeron inornatus
                                                   [Erigeron inornatus f. pseudoradiatus]
                                            Erigeron jamaicensis
                                            Erigeron karvinskianus
                                                   [Erigeron karvinskianus var. mucronatus]
                                                   [Erigeron leucanthemifolius]
                                                   [Erigeron mucronatus]
                                            Erigeron kumaonensis
                                            Erigeron laevigatus
                                                   [Conyza apurensis]
                                                   [Erigeron spathulatus]
                                            Erigeron lanatus
                                            Erigeron lancifolius
                                                   [Darwiniothamnus lancifolius]
                                              Erigeron lancifolius var. glabriusculus
                                                     [Darwiniothamnus lancifolius subsp. glabriusculus]
                                            Erigeron larrainianus
                                                   [Conyza larrainiana]
                                            Erigeron lassenianus
                                            Erigeron leiomerus
                                            Erigeron lepidopodus
                                                   [Aster lepidopodus]
                                            Erigeron libanoticus
                                            Erigeron linearis
                                                   [Erigeron peucephyllus]
                                            Erigeron lobatus
                                            Erigeron lonchophyllus
                                                   [Erigeron armerifolius]
                                            Erigeron luxurians
                                            Erigeron macranthus
                                            Erigeron maxonii
                                            Erigeron melanocephalus
                                            Erigeron miser
                                            Erigeron modestus
                                            Erigeron monticolus
                                            Erigeron multiradiatus
                                            Erigeron mutsuensis
                                                   [Erigeron thunbergii var. glabratus]
                                            Erigeron myosotis
                                            Erigeron nanus
                                            Erigeron nauseosus
                                            Erigeron nematophyllus
                                            Erigeron neomexicanus
                                            Erigeron nivalis
                                                   [Erigeron acris var. debilis]
                                            Erigeron ochroleucus
                                                   [Erigeron montanensis]
                                            Erigeron oreganus
                                            Erigeron oreophilus
                                            Erigeron ovinus
                                                   [Erigeron caespitosus subsp. anactis]
                                            Erigeron oxyphyllus
                                            Erigeron palmeri
                                            Erigeron pampeanus
                                            Erigeron parishii
                                            Erigeron patagonicus
                                            Erigeron patentisquama
                                            Erigeron pauper
                                            Erigeron peregrinus
                                              Erigeron peregrinus var. thompsonii
                                                     [Erigeron thompsonii]
                                            Erigeron petiolaris
                                            Erigeron petrophilus
                                              Erigeron petrophilus var. viscidulus
                                                     [Erigeron inornatus var. viscidulus]
                                            Erigeron philadelphicus
                                            Erigeron pinnatisectus
                                            Erigeron podolicus
                                                   [Erigeron acris var. asteroides]
                                            Erigeron poliospermus
                                            Erigeron politus
                                            Erigeron primulifolius
                                                   [Conyza chilensis]
                                            Erigeron pringlei
                                            Erigeron procumbens
                                                   [Erigeron myrionactis]
                                            Erigeron psilocaulis
                                            Erigeron pubescens
                                                   [Erigeron ervendbergii]
                                            Erigeron pulchellus
                                            Erigeron pulcher
                                            Erigeron pumilus
                                            Erigeron purpuratus
                                            Erigeron pygmaeus
                                            Erigeron radicatus
                                            Erigeron ramosissimus
                                                   [Leptilon divaricatum]
                                            Erigeron ramosus
                                            Erigeron rhizomatus
                                            Erigeron rupicola
                                            Erigeron schalbusi
                                            Erigeron schnackii
                                            Erigeron semibarbatus
                                              Erigeron semibarbatus var. roylei
                                                     [Erigeron ellisii]
                                            Erigeron speciosus
                                                   [Erigeron speciosus var. macranthus]
                                            Erigeron spiculosus
                                                   [Conyza spiculosa]
                                            Erigeron strigosus
                                                   [Erigeron strigosus var. beyrichii]
                                            Erigeron strigulosus
                                                   [Achaetogeron palmeri]
                                            Erigeron subtrinervis
                                            Erigeron sumatrensis
                                                   [Conyza albida]
                                                   [Conyza sumatrensis]
                                            Erigeron supplex
                                            Erigeron tenellus
                                            Erigeron tener
                                            Erigeron tenuis
                                            Erigeron thunbergii
                                                   [Aster dubius]
                                            Erigeron tracyi
                                                   [Erigeron commixtus]
                                            Erigeron trifidus
                                                   [Erigeron compositus f. trifidus]
                                            Erigeron trihecatactis
                                                   [Conyza trihecatactis]
                                            Erigeron tweedyi
                                            Erigeron uniflorus
                                              Erigeron uniflorus subsp. uniflorus
                                                     [Aster pyrenaicus]
                                            Erigeron ursinus
                                            Erigeron utahensis
                                            Erigeron vagus
                                            Erigeron variifolius
                                                   [Conyza coronopifolia]
                                                   [Conyza obtusa]
                                            Erigeron velutipes
                                                   [Erigeron alamosanus]
                                            Erigeron vernus
                                                   [Erigeron nudicaulis]
                                            Erigeron vetensis
                                                   [Erigeron porteri]
                                            Erigeron vreelandii
                                            Erigeron wislizenii
                                              Erigeron wislizenii subsp. purpurascens
                                                     [Achaetogeron purpurascens]
                                              Erigeron wislizenii subsp. wislizenii
                                                     [Achaetogeron wislizenii]
                                    Eriocephalus
                                            Eriocephalus africanus
                                              Eriocephalus africanus var. paniculatus
                                                     [Eriocephalus umbellulatus]
                                            Eriocephalus capitellatus
                                            Eriocephalus ericoides
                                              Eriocephalus ericoides subsp. ericoides
                                                     [Eriocephalus glaber]
                                            Eriocephalus eximius
                                            Eriocephalus racemosus
                                    Eriochlamys
                                            Eriochlamys behrii
                                    Eriophyllum
                                            Eriophyllum achillioides
                                            Eriophyllum ambiguum
                                              Eriophyllum ambiguum var. paleaceum
                                                     [Eriophyllum paleaceum]
                                            Eriophyllum confertiflorum
                                                   [Eriophyllum confertiflorum var. laxiflorum]
                                                   [Eriophyllum confertiflorum var. trifidum]
                                            Eriophyllum heermannii
                                            Eriophyllum jepsonii
                                            Eriophyllum lanatum
                                                   [Eriophyllum caespitosum]
                                                   [Eriophyllum gracile]
                                                   [Eriophyllum multiflorum]
                                              Eriophyllum lanatum var. achilleoides
                                              Eriophyllum lanatum var. arachnoideum
                                                     [Eriophyllum arachnoideum]
                                              Eriophyllum lanatum var. croceum
                                              Eriophyllum lanatum var. grandiflorum
                                              Eriophyllum lanatum var. integrifolium
                                                     [Eriophyllum lanatum var. cuneatum]
                                              Eriophyllum lanatum var. lanceolatum
                                              Eriophyllum lanatum var. leucophyllum
                                                     [Eriophyllum leucophyllum]
                                                     [Eriophyllum watsoni]
                                              Eriophyllum lanatum var. obovatum
                                            Eriophyllum lanosum
                                            Eriophyllum latilobum
                                            Eriophyllum multicaule
                                            Eriophyllum pringlei
                                            Eriophyllum staechadifolium
                                                   [Eriophyllum staechadifolium var. artemisiifolium]
                                            Eriophyllum wallacei
                                                   [Actinolepis wallacei]
                                                   [Eriophyllum wallacei var. rubellum]
                                    Erymophyllum
                                            Erymophyllum tenellum
                                                   [Helipterum tenellum]
                                    Eschenbachia
                                            Eschenbachia gouanii
                                                   [Conyza gnaphalioides]
                                            Eschenbachia japonica
                                                   [Conyza japonica]
                                            Eschenbachia leucantha
                                                   [Conyza viscidula]
                                                   [Conyza wallichii]
                                    Espeletia
                                            Espeletia annemariana
                                            Espeletia arbelaezii
                                            Espeletia arborea
                                                   [Libanothamnus arboreus]
                                            Espeletia argentea
                                                  Espeletia argentea f. phaneractis
                                                         [Espeletia phaneractis]
                                            Espeletia ariana
                                            Espeletia azucarina
                                            Espeletia betancurii
                                                   [Espeletiopsis betancurii]
                                            Espeletia brachyaxiantha
                                            Espeletia brassicoidea
                                            Espeletia cabrerensis
                                            Espeletia cachaluensis
                                            Espeletia caldasii
                                                   [Espeletiopsis caldasii]
                                            Espeletia canescens
                                            Espeletia cardonae
                                                   [Ruilopezia cardonae]
                                            Espeletia cayetana
                                            Espeletia chardonii
                                                   [Tamania chardonii]
                                            Espeletia chocontana
                                            Espeletia cleefii
                                            Espeletia conglomerata
                                            Espeletia corymbosa
                                            Espeletia diazii
                                                   [Espeletiopsis diazii]
                                            Espeletia discoidea
                                            Espeletia divisoriensis
                                                   [Libanothamnus divisoriensis]
                                            Espeletia dugandii
                                            Espeletia episcopalis
                                            Espeletia estanislana
                                            Espeletia formosa
                                            Espeletia funckii
                                                   [Espeletiopsis funckii]
                                            Espeletia garciae
                                                   [Espeletiopsis garciae]
                                            Espeletia glandulosa
                                                   [Paramiflos glandulosus]
                                            Espeletia grandiflora
                                            Espeletia hartwegiana
                                            Espeletia idroboi
                                            Espeletia incana
                                            Espeletia insignis
                                                   [Espeletiopsis insignis]
                                            Espeletia jaramilloi
                                            Espeletia jimenez-quesadae
                                                   [Espeletiopsis jimenez-quesadae]
                                            Espeletia killipii
                                            Espeletia laxiflora
                                                   [Coespeletia laxiflora]
                                            Espeletia liscanoana
                                                   [Libanothamnus liscanoanus]
                                            Espeletia lucida
                                                   [Libanothamnus lucidus]
                                            Espeletia mirabilis
                                            Espeletia miradorensis
                                            Espeletia nemekenei
                                            Espeletia oswaldiana
                                            Espeletia paipana
                                            Espeletia parvula
                                                   [Libanothamnus parvulus]
                                            Espeletia perijaensis
                                            Espeletia pescana
                                            Espeletia pulcherrima
                                            Espeletia purpurascens
                                                   [Espeletiopsis purpurascens]
                                            Espeletia rabanalensis
                                                   [Espeletiopsis rabanalensis]
                                            Espeletia raquirensis
                                            Espeletia roberti
                                            Espeletia rositae
                                            Espeletia sanchezii
                                                   [Espeletiopsis sanchezii]
                                            Espeletia schultesiana
                                            Espeletia sclerophylla
                                                   [Espeletiopsis sclerophylla]
                                            Espeletia soroca
                                            Espeletia spectabilis
                                                   [Libanothamnus spectabilis]
                                            Espeletia standleyana
                                            Espeletia steyermarkii
                                            Espeletia summapacis
                                            Espeletia tamana
                                                   [Libanothamnus tamanus]
                                            Espeletia tibamoensis
                                            Espeletia trujillensis
                                                   [Carramboa trujillensis]
                                            Espeletia tunjana
                                    Euchiton
                                            Euchiton audax
                                                   [Gnaphalium audax]
                                            Euchiton involucratus
                                                   [Gnaphalium lanatum]
                                            Euchiton japonicus
                                                   [Gnaphalium japonicum]
                                    Eumorphia
                                            Eumorphia sericea
                                    Eupatoriastrum
                                            Eupatoriastrum nelsonii
                                                   [Eupatoriastrum nelsonii var. cardiophyllum]
                                            Eupatoriastrum triangulare
                                    Eupatorium
                                            Eupatorium ageratoides
                                            Eupatorium album
                                                   [Eupatorium album var. glandulosum]
                                            Eupatorium altissimum
                                            Eupatorium anomalum
                                            Eupatorium aromaticum
                                            Eupatorium cannabinum
                                              Eupatorium cannabinum subsp. cannabinum
                                                     [Eupatorium syriacum]
                                            Eupatorium capillare
                                            Eupatorium capillifolium
                                            Eupatorium chinense
                                              Eupatorium chinense var. sachalinense
                                              Eupatorium chinense var. simplicifolium
                                            Eupatorium clematideum
                                            Eupatorium compositifolium
                                                   [Eupatorium coronopifolium]
                                            Eupatorium conyzoides
                                            Eupatorium critoniforme
                                                   [Urbananthus critoniformis]
                                            Eupatorium cuneatum
                                            Eupatorium deltoideum
                                            Eupatorium dissectum
                                            Eupatorium durandii
                                            Eupatorium fistulosum
                                            Eupatorium formosanum
                                                   [Eupatorium formosanum var. quasitripartitum]
                                            Eupatorium fortunei
                                            Eupatorium glandulosum
                                            Eupatorium glehni
                                            Eupatorium godfreyanum
                                            Eupatorium gracile
                                            Eupatorium hecatanthum
                                            Eupatorium hirsutum
                                            Eupatorium hyssopifolium
                                              Eupatorium hyssopifolium var. laciniatum
                                            Eupatorium japonicum
                                                   [Eupatorium wallichii]
                                              Eupatorium japonicum var. japonicum
                                            Eupatorium lamiifolium
                                            Eupatorium leptophyllum
                                            Eupatorium leucolepis
                                            Eupatorium lindleyanum
                                            Eupatorium linearifolium
                                                   [Eupatorium cuneifolium]
                                                   [Eupatorium glaucescens]
                                            Eupatorium littorale
                                            Eupatorium longipetiolatum
                                            Eupatorium luchuense
                                                   [Eupatorium luchuense var. kiirunense]
                                            Eupatorium mikanioides
                                            Eupatorium mohrii
                                            Eupatorium odoratum
                                            Eupatorium origanoides
                                            Eupatorium parviflorum
                                            Eupatorium perfoliatum
                                                   [Eupatorium perfoliatum var. cuneatum]
                                                   [Eupatorium serotinum var. polyneuron]
                                            Eupatorium pilosum
                                            Eupatorium pubescens
                                            Eupatorium purpureum
                                            Eupatorium resinosum
                                            Eupatorium rotundifolium
                                                   [Eupatorium teucrifolium]
                                              Eupatorium rotundifolium var. ovatum
                                              Eupatorium rotundifolium var. scabridum
                                                     [Eupatorium scabridum]
                                            Eupatorium rugosum
                                              Eupatorium rugosum var. rugosum
                                            Eupatorium salicinum
                                            Eupatorium semiserratum
                                                   [Eupatorium cuneifolium var. semiserratum]
                                            Eupatorium serotinum
                                            Eupatorium sessilifolium
                                              Eupatorium sessilifolium var. vaseyi
                                                     [Eupatorium fernaldii]
                                                     [Eupatorium vaseyi]
                                            Eupatorium tashiroi
                                            Eupatorium torreyanum
                                            Eupatorium trifoliatum
                                            Eupatorium villosum
                                            Eupatorium × cordigerum
                                    Euphrosyne
                                            Euphrosyne acerosa
                                                   [Oxytenia acerosa]
                                            Euphrosyne dealbata
                                                   [Iva dealbata]
                                            Euphrosyne nevadensis
                                                   [Iva nevadensis]
                                    Eurybia
                                            Eurybia compacta
                                                   [Aster gracilis]
                                            Eurybia divaricata
                                                   [Aster tenebrosus]
                                            Eurybia furcata
                                                   [Aster furcatus]
                                            Eurybia glauca
                                                   [Herrickia glauca]
                                            Eurybia hemispherica
                                                   [Aster hemisphericus]
                                                   [Heleastrum hemisphericum]
                                            Eurybia macrophylla
                                                   [Aster macrophyllus var. apricensis]
                                                   [Aster macrophyllus var. ianthinus]
                                                   [Aster macrophyllus]
                                            Eurybia merita
                                                   [Aster meritus]
                                                   [Aster sibiricus var. meritus]
                                            Eurybia paludosa
                                                   [Aster paludosus]
                                            Eurybia radula
                                                   [Aster radula f. strictus]
                                            Eurybia radulina
                                                   [Aster radulinus]
                                            Eurybia schreberi
                                                   [Aster curvescens]
                                                   [Aster schreberi]
                                            Eurybia sibirica
                                              Eurybia sibirica subsp. sibirica
                                                     [Aster montanus]
                                                     [Aster pauciflorus]
                                                     [Erigeron salsuginosus]
                                            Eurybia spectabilis
                                                   [Aster commixtus]
                                                   [Aster spectabilis var. cinerascens]
                                            Eurybia wasatchensis
                                                   [Aster wasatchensis]
                                    Euryops
                                            Euryops algoensis
                                            Euryops annae
                                            Euryops anthemoides
                                              Euryops anthemoides subsp. anthemoides
                                            Euryops brachypodus
                                            Euryops brevipapposus
                                            Euryops chrysanthemoides
                                                   [Gamolepis chrysanthemoides]
                                            Euryops euryopoides
                                                   [Gamolepis euryopoides]
                                            Euryops evansii
                                              Euryops evansii subsp. evansii
                                            Euryops floribundus
                                            Euryops galpinii
                                            Euryops lateriflorus
                                            Euryops linearis
                                            Euryops multifidus
                                            Euryops pectinatus
                                            Euryops polytrichoides
                                            Euryops spathaceus
                                            Euryops speciosissimus
                                                   [Euryops athanasiae]
                                            Euryops subcarnosus
                                              Euryops subcarnosus subsp. vulgaris
                                            Euryops tenuissimus
                                              Euryops tenuissimus subsp. tenuissimus
                                            Euryops tysonii
                                            Euryops virgineus
                                    Euthamia
                                            Euthamia caroliniana
                                                   [Euthamia microcephala]
                                                   [Euthamia minor]
                                                   [Euthamia tenuifolia]
                                                   [Solidago microcephala]
                                                   [Solidago tenuifolia]
                                            Euthamia floribunda
                                                   [Solidago polycephala]
                                            Euthamia graminifolia
                                                   [Solidago graminifolia]
                                            Euthamia gymnospermoides
                                                   [Euthamia camporum]
                                                   [Solidago camporum]
                                                   [Solidago gymnospermoides]
                                                   [Solidago media]
                                                   [Solidago moseleyi]
                                            Euthamia lanceolata
                                                   [Solidago hirtella]
                                                   [Solidago lanceolata]
                                            Euthamia leptocephala
                                                   [Solidago leptocephala]
                                            Euthamia occidentalis
                                                   [Solidago occidentalis]
                                            Euthamia pulverulenta
                                            Euthamia remota
                                                   [Solidago remota]
                                    Eutrochium
                                            Eutrochium dubium
                                                   [Eupatorium dubium]
                                            Eutrochium fistulosum
                                            Eutrochium maculatum
                                                   [Eupatorium maculatum]
                                                   [Eupatorium purpureum subsp. maculatum]
                                              Eutrochium maculatum var. bruneri
                                                     [Eupatorium bruneri]
                                            Eutrochium purpureum
                                    Facelis
                                            Facelis plumosa
                                            Facelis retusa
                                    Farfugium
                                            Farfugium hiberniflorum
                                            Farfugium japonicum
                                                   [Ligularia tussilaginea]
                                    Faujasiopsis
                                            Faujasiopsis reticulata
                                    Felicia
                                            Felicia abyssinica
                                              Felicia abyssinica var. neghelliensis
                                                     [Felicia abyssinica subsp. neghellensis]
                                            Felicia aethiopica
                                              Felicia aethiopica subsp. ecklonis
                                            Felicia amelloides
                                                   [Aster capensis]
                                            Felicia dubia
                                            Felicia echinata
                                                   [Aster echinatus]
                                            Felicia filifolia
                                              Felicia filifolia subsp. schaeferi
                                            Felicia heterophylla
                                                   [Charieis heterophylla]
                                            Felicia linearis
                                            Felicia linifolia
                                            Felicia minima
                                            Felicia ovata
                                                   [Aster barbatus]
                                            Felicia petiolata
                                            Felicia rosulata
                                            Felicia tenella
                                    Filago
                                            Filago arvensis
                                                   [Filago montana]
                                            Filago asterisciflora
                                                   [Evax asterisciflora]
                                            Filago fuscescens
                                            Filago germanica
                                                   [Filago canescens]
                                            Filago lutescens
                                                   [Filago apiculata]
                                            Filago micropodioides
                                            Filago prolifera
                                            Filago prostrata
                                            Filago pygmaea
                                              Filago pygmaea subsp. pygmaea
                                                     [Evax pygmaea]
                                            Filago pyramidata
                                                   [Filago jussiaei]
                                                   [Filago spathulata]
                                                   [Gnaphalium pyramidatum]
                                            Filago tyrrhenica
                                                   [Evax rotundata]
                                    Filifolium
                                            Filifolium sibiricum
                                    Fitchia
                                            Fitchia cordata
                                            Fitchia cuneata
                                              Fitchia cuneata subsp. cuneata
                                            Fitchia mangarevensis
                                            Fitchia nutans
                                            Fitchia speciosa
                                            Fitchia tahitensis
                                    Flaveria
                                            Flaveria angustifolia
                                            Flaveria anomala
                                            Flaveria bidentis
                                                   [Flaveria contrayerba]
                                            Flaveria campestris
                                            Flaveria floridana
                                            Flaveria linearis
                                                   [Flaveria latifolia]
                                            Flaveria oppositifolia
                                                   [Flaveria longifolia]
                                            Flaveria trinervia
                                                   [Flaveria repanda]
                                    Fleischmannia
                                            Fleischmannia harlingii
                                            Fleischmannia incarnata
                                                   [Eupatorium incarnatum]
                                            Fleischmannia lloensis
                                            Fleischmannia microstemon
                                                   [Eupatorium microstemon]
                                            Fleischmannia obscurifolia
                                                   [Fleischmannia aequinoctialis]
                                            Fleischmannia remotifolia
                                                   [Eupatorium remotifolium]
                                            Fleischmannia sideritidis
                                                   [Eupatorium sideritidis]
                                            Fleischmannia sinclairii
                                                   [Eupatorium sinclairii]
                                            Fleischmannia trinervia
                                                   [Eupatorium trinervium]
                                    Florestina
                                            Florestina pedata
                                            Florestina platyphylla
                                            Florestina tripteris
                                    Floscaldasia
                                            Floscaldasia azorelloides
                                    Flourensia
                                            Flourensia angustifolia
                                            Flourensia cernua
                                            Flourensia dentata
                                            Flourensia laurifolia
                                            Flourensia pringlei
                                                   [Helianthella pringlei]
                                            Flourensia resinosa
                                            Flourensia retinophylla
                                            Flourensia thurifera
                                                   [Flourensia besseriana]
                                                   [Flourensia thurifera var. lanceolata]
                                    Flyriella
                                            Flyriella leonensis
                                                   [Eupatorium chrysostyloides]
                                            Flyriella parryi
                                                   [Brickellia shineri]
                                                   [Eupatorium parryi]
                                    Foveolina
                                            Foveolina dichotoma
                                                   [Pentzia albida]
                                            Franseria tomentosa
                                    Gaillardia
                                            Gaillardia acaulis
                                            Gaillardia aestivalis
                                                   [Gaillardia aestivalis var. winkleri]
                                                   [Gaillardia chrysantha]
                                                   [Gaillardia fastigiata]
                                                   [Gaillardia lanceolata]
                                                   [Gaillardia lutea]
                                            Gaillardia amblyodon
                                            Gaillardia aristata
                                            Gaillardia arizonica
                                                   [Gaillardia arizonica var. pringlei]
                                            Gaillardia comosa
                                            Gaillardia grandiflora
                                            Gaillardia megapotamica
                                              Gaillardia megapotamica var. radiata
                                            Gaillardia mexicana
                                            Gaillardia multiceps
                                            Gaillardia parryi
                                            Gaillardia pinnatifida
                                                   [Gaillardia flava]
                                                   [Gaillardia pinnatifida var. linearis]
                                                   [Gaillardia straminea]
                                            Gaillardia pulchella
                                                   [Gaillardia drummondii]
                                                   [Gaillardia picta]
                                                   [Gaillardia pulchella f. lorenziana]
                                                   [Gaillardia pulchella f. picta]
                                            Gaillardia spathulata
                                            Gaillardia suavis
                                                   [Gaillardia simplex]
                                    Galatella
                                            Galatella biflora
                                            Galatella dahurica
                                            Galatella hauptii
                                                   [Aster hauptii]
                                            Galatella linosyris
                                              Galatella linosyris subsp. linosyris
                                                     [Linosyris vulgaris]
                                            Galatella sedifolia
                                              Galatella sedifolia subsp. dracunculoides
                                                     [Aster dracunculoides]
                                                     [Galatella dracunculoides]
                                              Galatella sedifolia subsp. sedifolia
                                                     [Aster sedifolius]
                                                     [Galatella punctata]
                                            Galatella villosa
                                                   [Linosyris villosa]
                                    Galinsoga
                                            Galinsoga caligensis
                                            Galinsoga parviflora
                                              Galinsoga parviflora var. parviflora
                                            Galinsoga quadriradiata
                                                   [Galinsoga ciliata]
                                                   [Galinsoga hispida]
                                                   [Stemmatella urticifolia]
                                    Galinsogeopsis
                                            Galinsogeopsis microcephala
                                                   [Perityle microcephala]
                                    Gamochaeta
                                            Gamochaeta alpina
                                                   [Lucilia alpina]
                                            Gamochaeta antarctica
                                            Gamochaeta calviceps
                                                   [Gnaphalium calviceps]
                                            Gamochaeta chamissonis
                                                   [Gamochaeta suffruticosa]
                                                   [Gnaphalium suffruticosum]
                                            Gamochaeta falcata
                                                   [Gnaphalium falcatum]
                                            Gamochaeta filaginea
                                                   [Gnaphalium berterianum]
                                                   [Gnaphalium filagineum]
                                            Gamochaeta malvinensis
                                                   [Gamochaeta affinis]
                                                   [Gnaphalium affine]
                                            Gamochaeta nivalis
                                            Gamochaeta oligantha
                                                   [Gnaphalium oliganthum]
                                            Gamochaeta pensylvanica
                                                   [Gnaphalium pensylvanicum]
                                            Gamochaeta peregrina
                                                   [Stuckertiella peregrina]
                                            Gamochaeta purpurea
                                                   [Gnaphalium purpureum]
                                            Gamochaeta spiciformis
                                    Garberia
                                            Garberia heterophylla
                                                   [Liatris fruticosa]
                                    Garuleum
                                            Garuleum bipinnatum
                                    Geraea
                                            Geraea canescens
                                                   [Encelia eriocephala]
                                            Geraea viscida
                                    Gibbaria
                                    Glebionis
                                            Glebionis carinata
                                                   [Chrysanthemum carinatum]
                                            Glebionis coronaria
                                                   [Chrysanthemum coronarium var. discolor]
                                                   [Chrysanthemum coronarium]
                                    Glossocardia
                                            Glossocardia bidens
                                                   [Glossogyne tenuifolia]
                                    Gnaphalium
                                            Gnaphalium adnatum
                                            Gnaphalium americanum
                                            Gnaphalium argenteum
                                            Gnaphalium bicolor
                                            Gnaphalium capitatum
                                            Gnaphalium chimborazense
                                            Gnaphalium dealbatum
                                            Gnaphalium declinatum
                                                   [Helichrysum declinatum]
                                            Gnaphalium decurrens
                                            Gnaphalium demidium
                                                   [Amphidoxa demidium]
                                            Gnaphalium elegans
                                            Gnaphalium exilifolium
                                                   [Gnaphalium grayi]
                                            Gnaphalium fastigiatum
                                            Gnaphalium gracile
                                            Gnaphalium graveolens
                                            Gnaphalium indicum
                                            Gnaphalium lineare
                                            Gnaphalium linearifolium
                                            Gnaphalium obtusifolium
                                            Gnaphalium palustre
                                            Gnaphalium pilulare
                                                   [Gnaphalium sibiricum]
                                            Gnaphalium polycaulon
                                            Gnaphalium puberulum
                                            Gnaphalium ramosissimum
                                            Gnaphalium sepositum
                                            Gnaphalium spathulatum
                                            Gnaphalium spicatum
                                            Gnaphalium stewartii
                                            Gnaphalium strictum
                                            Gnaphalium trinerve
                                            Gnaphalium uliginosum
                                            Gnaphalium undulatum
                                            Gnaphalium viscosum
                                    Gnomophalium
                                            Gnomophalium pulvinatum
                                                   [Gnaphalium pulvinatum]
                                    Goldmanella
                                            Goldmanella sarmentosa
                                    Gongrostylus
                                            Gongrostylus costaricensis
                                                   [Eupatorium costaricense]
                                    Gonospermum
                                            Gonospermum oshanahanii
                                                   [Tanacetum oshanahanii]
                                            Gonospermum ptarmiciflorum
                                                   [Chrysanthemum ptarmiciflorum]
                                                   [Tanacetum ptarmiciflorum]
                                    Gonzalezia
                                            Gonzalezia decurrens
                                                   [Viguiera decurrens]
                                            Gonzalezia hypargyrea
                                                   [Viguiera hypargyrea]
                                    Grangea
                                            Grangea madagascariensis
                                            Grangea maderaspatana
                                    Grangeopsis
                                            Grangeopsis perrieri
                                    Grauanthus
                                            Grauanthus linearifolius
                                    Grazielia
                                            Grazielia gaudichaudiana
                                                   [Eupatorium gaudichaudianum var. bipinnatum]
                                                   [Eupatorium gaudichaudianum]
                                            Grazielia intermedia
                                                   [Eupatorium intermedium]
                                            Grazielia serrata
                                                   [Eupatorium serratum]
                                    Grindelia
                                            Grindelia aegialitis
                                            Grindelia aggregata
                                            Grindelia arizonica
                                            Grindelia boliviana
                                            Grindelia brachystephana
                                                   [Grindelia bergii]
                                                   [Grindelia tehuelches]
                                            Grindelia buphthalmoides
                                            Grindelia cabrerae
                                            Grindelia chiloensis
                                            Grindelia ciliata
                                                   [Haplopappus ciliatus]
                                            Grindelia decumbens
                                            Grindelia fraxinipratensis
                                            Grindelia glutinosa
                                                   [Grindelia oregana]
                                            Grindelia grandiflora
                                            Grindelia hirsutula
                                                   [Grindelia arenicola]
                                                   [Grindelia bracteosa]
                                                   [Grindelia brownii]
                                                   [Grindelia camporum]
                                                   [Grindelia columbiana]
                                                   [Grindelia cuneifolia]
                                                   [Grindelia fastigiata]
                                                   [Grindelia hallii]
                                                   [Grindelia humilis]
                                                   [Grindelia inornata]
                                                   [Grindelia latifolia]
                                                   [Grindelia maritima]
                                                   [Grindelia nana var. turbinella]
                                                   [Grindelia nana]
                                                   [Grindelia paludosa]
                                                   [Grindelia procera]
                                                   [Grindelia robusta]
                                                   [Grindelia rubricaulis]
                                                   [Grindelia stricta f. venulosa]
                                                   [Grindelia stricta subsp. blakei]
                                                   [Grindelia stricta subsp. venulosa]
                                                   [Grindelia stricta]
                                            Grindelia integrifolia
                                            Grindelia inuloides
                                              Grindelia inuloides var. glandulosa
                                                     [Grindelia glandulosa]
                                            Grindelia lanceolata
                                            Grindelia microcephala
                                            Grindelia oolepis
                                            Grindelia oxylepis
                                            Grindelia pulchella
                                            Grindelia scabra
                                            Grindelia squarrosa
                                                   [Grindelia aphanactis]
                                            Grindelia subalpina
                                            Grindelia subdecurrens
                                            Grindelia tarapacana
                                            Grindelia tenella
                                            Grindelia texana
                                                   [Grindelia lanceolata var. texana]
                                    Grosvenoria
                                            Grosvenoria campii
                                            Grosvenoria hypargyra
                                            Grosvenoria rimbachii
                                    Guardiola
                                            Guardiola arguta
                                            Guardiola mexicana
                                            Guardiola platyphylla
                                            Guardiola tulocarpus
                                    Guevaria
                                            Guevaria alvaroi
                                            Guevaria loxensis
                                            Guevaria sodiroi
                                                   [Piqueria sodiroi]
                                    Guizotia
                                            Guizotia abyssinica
                                                   [Guizotia oleifera]
                                            Guizotia arborescens
                                            Guizotia scabra
                                            Guizotia schimperi
                                    Gundlachia
                                            Gundlachia corymbosa
                                            Gundlachia diffusa
                                                   [Haplopappus sonoriensis]
                                            Gundlachia triantha
                                                   [Ericameria triantha]
                                    Gutierrezia
                                            Gutierrezia arizonica
                                            Gutierrezia baccharoides
                                            Gutierrezia californica
                                                   [Gutierrezia divergens]
                                            Gutierrezia conoidea
                                            Gutierrezia espinosae
                                            Gutierrezia gayana
                                            Gutierrezia grandis
                                            Gutierrezia mandonii
                                            Gutierrezia microcephala
                                            Gutierrezia repens
                                                   [Gutierrezia ruiz-lealii]
                                            Gutierrezia resinosa
                                            Gutierrezia sarothrae
                                                   [Gutierrezia microphylla]
                                            Gutierrezia serotina
                                            Gutierrezia spathulata
                                            Gutierrezia sphaerocephala
                                            Gutierrezia texana
                                              Gutierrezia texana var. glutinosa
                                            Gutierrezia wrightii
                                    Gymnocoronis
                                            Gymnocoronis latifolia
                                    Gymnopentzia
                                            Gymnopentzia bifurcata
                                    Gymnosperma
                                            Gymnosperma glutinosum
                                                   [Selloa glutinosa]
                                    Gynoxys
                                            Gynoxys azuayensis
                                            Gynoxys baccharoides
                                            Gynoxys calyculisolvens
                                            Gynoxys campii
                                            Gynoxys chagalensis
                                            Gynoxys chimborazensis
                                            Gynoxys chingualensis
                                            Gynoxys colanensis
                                            Gynoxys columbiana
                                            Gynoxys compressissima
                                            Gynoxys cuzcoensis
                                            Gynoxys dielsiana
                                            Gynoxys florulenta
                                            Gynoxys fuliginosa
                                            Gynoxys hallii
                                            Gynoxys hirsuta
                                            Gynoxys hirsutissima
                                            Gynoxys ignaciana
                                            Gynoxys jaramilloi
                                            Gynoxys laurata
                                            Gynoxys laurifolia
                                            Gynoxys miniphylla
                                            Gynoxys multibracteifera
                                            Gynoxys neovelutina
                                            Gynoxys nitida
                                            Gynoxys pulchella
                                            Gynoxys reinaldii
                                            Gynoxys rimbachii
                                            Gynoxys tolimensis
                                            Gynoxys validifolia
                                    Gynura
                                            Gynura angulosa
                                            Gynura bicolor
                                            Gynura campanulata
                                            Gynura colorata
                                            Gynura divaricata
                                                   [Gynura ovalis]
                                            Gynura formosana
                                            Gynura fulva
                                            Gynura japonica
                                                   [Gynura segetum]
                                            Gynura nepalensis
                                            Gynura nitida
                                            Gynura procumbens
                                                   [Gynura sarmentosa]
                                            Gynura scandens
                                            Gynura sechellensis
                                    Gyptis
                                            Gyptis commersonii
                                                   [Eupatorium commersonii]
                                            Gyptis pinnatifida
                                                   [Eupatorium erodiifolium]
                                            Gyptis tanacetifolia
                                                   [Eupatorium tanacetifolium]
                                    Haastia
                                            Haastia pulvinaris
                                            Haastia recurva
                                            Haastia sinclairii
                                    Haploesthes
                                            Haploesthes greggii
                                    Haplopappus
                                            Haplopappus albicans
                                            Haplopappus armerioides
                                            Haplopappus baylahuen
                                              Haplopappus baylahuen subsp. baylahuen
                                                     [Haplopappus lastarrianus]
                                            Haplopappus bustillosianus
                                            Haplopappus coquimbensis
                                                   [Haplopappus hirtellus]
                                            Haplopappus diplopappus
                                              Haplopappus diplopappus subsp. diplopappus
                                                     [Haplopappus pallidus]
                                                     [Haplopappus peteroanus]
                                            Haplopappus donianus
                                            Haplopappus glutinosus
                                                   [Haplopappus coronopifolius]
                                            Haplopappus grindelioides
                                                   [Haplopappus reflexus]
                                            Haplopappus hookerianus
                                            Haplopappus lanatus
                                                   [Aster lanatus]
                                            Haplopappus linearifolius
                                            Haplopappus macrocephalus
                                                   [Haplopappus caespitosus]
                                                   [Haplopappus spinulosus]
                                            Haplopappus mucronatus
                                                   [Haplopappus ilicifolius]
                                            Haplopappus ochagavianus
                                                   [Haplopappus tiltilensis]
                                            Haplopappus paniculatus
                                            Haplopappus parvifolius
                                            Haplopappus patagonicus
                                            Haplopappus pinnatifidus
                                                   [Aster andinus]
                                            Haplopappus pulchellus
                                            Haplopappus punctatus
                                                   [Haplopappus corymbosus]
                                            Haplopappus pusillus
                                                   [Haplopappus cuneifolius]
                                            Haplopappus remyanus
                                                   [Haplopappus latifolius]
                                            Haplopappus retinervius
                                                   [Haplopappus ischnos]
                                            Haplopappus rigidus
                                                   [Haplopappus villanuevae]
                                            Haplopappus scrobiculatus
                                                   [Haplopappus densifolius]
                                            Haplopappus stenophyllus
                                            Haplopappus suffruticosus
                                            Haplopappus uncinatus
                                            Haplopappus velutinus
                                    Hazardia
                                            Hazardia berberidis
                                                   [Haplopappus berberidis]
                                            Hazardia cana
                                                   [Haplopappus canus]
                                            Hazardia squarrosa
                                                   [Haplopappus squarrosus]
                                    Hebeclinium
                                            Hebeclinium costaricense
                                            Hebeclinium macrophyllum
                                                   [Eupatorium macrophyllum]
                                            Hebeclinium obtusisquamosum
                                    Helenium
                                            Helenium amarum
                                                   [Helenium tenuifolium]
                                              Helenium amarum var. badium
                                                     [Helenium badium]
                                            Helenium amphibolum
                                            Helenium arizonicum
                                            Helenium aromaticum
                                            Helenium atacamense
                                            Helenium autumnale
                                                   [Helenium latifolium]
                                                   [Helenium macranthum]
                                            Helenium bigelovii
                                            Helenium bolanderi
                                            Helenium borchersi
                                            Helenium brevifolium
                                                   [Helenium curtisii]
                                            Helenium donianum
                                            Helenium drummondii
                                            Helenium elegans
                                            Helenium fimbriatum
                                            Helenium flexuosum
                                                   [Helenium brachypoda]
                                                   [Helenium floridanum]
                                                   [Helenium nudiflorum]
                                            Helenium glaucum
                                            Helenium laciniatum
                                            Helenium linifolium
                                            Helenium mexicanum
                                            Helenium microcephalum
                                              Helenium microcephalum var. ooclinium
                                                     [Helenium ooclinium]
                                            Helenium montanum
                                            Helenium ovallense
                                            Helenium pinnatifidum
                                            Helenium puberulum
                                            Helenium quadridentatum
                                            Helenium radiatum
                                                   [Helenium alternifolium]
                                            Helenium thurberi
                                            Helenium uniflorum
                                            Helenium urmenetae
                                                   [Cephalophora urmenetae]
                                              Helenium urmenetae var. leguiffei
                                            Helenium vernale
                                                   [Helenium helenium]
                                                   [Helenium nuttallii]
                                            Helenium virginicum
                                    Helianthella
                                            Helianthella californica
                                              Helianthella californica subsp. nevadensis
                                                     [Helianthella nevadensis]
                                            Helianthella castanea
                                            Helianthella majuscula
                                            Helianthella mexicana
                                            Helianthella microcephala
                                            Helianthella parryi
                                            Helianthella quinquenervis
                                            Helianthella uniflora
                                                   [Helianthella douglasii]
                                                   [Helianthella multicaulis]
                                                   [Helianthella uniflora var. douglasii]
                                    Helianthus
                                            Helianthus agrestis
                                            Helianthus altissimus
                                            Helianthus angustifolius
                                            Helianthus annuus
                                                   [Helianthus annuus subsp. lenticularis]
                                                   [Helianthus annuus var. lenticularis]
                                                   [Helianthus aridus]
                                                   [Helianthus lenticularis]
                                            Helianthus anomalus
                                            Helianthus argophyllus
                                                   [Helianthus annuus var. argophyllus]
                                            Helianthus atrorubens
                                            Helianthus bolanderi
                                            Helianthus carnosus
                                            Helianthus ciliaris
                                                   [Helianthus angustifolius subsp. ciliaris]
                                            Helianthus cusickii
                                            Helianthus debilis
                                              Helianthus debilis subsp. cucumerifolius
                                                     [Helianthus cucumerifolius]
                                              Helianthus debilis subsp. debilis
                                                     [Helianthus annuus var. debilis]
                                            Helianthus decapetalus
                                                   [Helianthus trachelifolius]
                                            Helianthus divaricatus
                                            Helianthus doronicoides
                                            Helianthus exilis
                                            Helianthus floridanus
                                                   [Helianthus undulatus]
                                            Helianthus giganteus
                                                   [Helianthus angustifolius subsp. giganteus]
                                            Helianthus gracilentus
                                            Helianthus grosseserratus
                                            Helianthus heterophyllus
                                                   [Helianthus atrorubens subsp. heterophyllus]
                                            Helianthus hirsutus
                                            Helianthus laevigatus
                                            Helianthus longifolius
                                            Helianthus microcephalus
                                            Helianthus mollis
                                            Helianthus multiflorus
                                            Helianthus niveus
                                              Helianthus niveus subsp. niveus
                                                     [Helianthus annuus var. niveus]
                                            Helianthus nuttallii
                                              Helianthus nuttallii subsp. nuttallii
                                                     [Helianthus angustifolius subsp. nuttallii]
                                                     [Helianthus fascicularis]
                                            Helianthus occidentalis
                                            Helianthus paradoxus
                                            Helianthus pauciflorus
                                              Helianthus pauciflorus subsp. pauciflorus
                                                     [Helianthus rigidus]
                                              Helianthus pauciflorus subsp. subrhomboideus
                                                     [Helianthus laetiflorus var. subrhomboideus]
                                                     [Helianthus subrhomboideus]
                                            Helianthus petiolaris
                                              Helianthus petiolaris subsp. petiolaris
                                                     [Helianthus annuus subsp. petiolaris]
                                              Helianthus petiolaris var. canescens
                                                     [Helianthus canus]
                                            Helianthus porteri
                                                   [Rudbeckia porteri]
                                                   [Viguiera porteri]
                                            Helianthus praecox
                                              Helianthus praecox subsp. praecox
                                                     [Helianthus debilis subsp. praecox]
                                            Helianthus pumilus
                                            Helianthus radula
                                                   [Helianthus atrorubens subsp. radula]
                                            Helianthus resinosus
                                            Helianthus salicifolius
                                                   [Helianthus orgyalis]
                                            Helianthus schweinitzii
                                            Helianthus silphioides
                                            Helianthus simulans
                                            Helianthus strumosus
                                            Helianthus tuberosus
                                                   [Helianthus strumosus subsp. tomentosus]
                                                   [Helianthus tomentosus]
                                                   [Helianthus tuberosus var. subcanescens]
                                            Helianthus verticillatus
                                            Helianthus × doronicoides
                                                   [Helianthus angustifolius subsp. doronicoides]
                                            Helianthus × glaucus
                                                   [Helianthus glaucus]
                                            Helianthus × laetiflorus
                                    Helichrysum
                                            Helichrysum acutatum
                                                   [Helichrysum danae]
                                            Helichrysum albanense
                                                   [Helichrysum subglomeratum var. imbricatum]
                                            Helichrysum angustifolium
                                            Helichrysum anomalum
                                            Helichrysum arenarium
                                            Helichrysum argenteum
                                            Helichrysum argyranthum
                                                   [Helichrysum nandense]
                                            Helichrysum argyrophyllum
                                            Helichrysum armenium
                                            Helichrysum artvinense
                                            Helichrysum asperum
                                              Helichrysum asperum var. comosum
                                                     [Helichrysum comosum]
                                            Helichrysum aureum
                                                   [Helichrysum fulgidum]
                                            Helichrysum biafranum
                                            Helichrysum brownei
                                              Helichrysum brownei var. glandulosum
                                            Helichrysum brunioides
                                              Helichrysum brunioides subsp. brunioides
                                            Helichrysum buddleioides
                                            Helichrysum chionosphaerum
                                                   [Helichrysum randii]
                                            Helichrysum citrispinum
                                            Helichrysum cooperi
                                            Helichrysum coriaceum
                                            Helichrysum coursii
                                            Helichrysum cutchicum
                                            Helichrysum cylindriflorum
                                                   [Helichrysum cylindricum]
                                            Helichrysum cymosum
                                            Helichrysum dasycephalum
                                            Helichrysum dregeanum
                                            Helichrysum dubardii
                                            Helichrysum ellipticifolium
                                            Helichrysum ericoides
                                            Helichrysum erosum
                                            Helichrysum excisum
                                            Helichrysum felinum
                                            Helichrysum filaginoides
                                            Helichrysum flagellare
                                            Helichrysum foetidum
                                            Helichrysum formosissimum
                                            Helichrysum forskahlii
                                                   [Helichrysum cymosum subsp. fruticosum]
                                                   [Helichrysum fruticosum]
                                            Helichrysum fruticans
                                            Helichrysum gossypinum
                                            Helichrysum graveolens
                                            Helichrysum griseolanatum
                                            Helichrysum hedbergianum
                                            Helichrysum helvolum
                                            Helichrysum italicum
                                            Helichrysum itremense
                                            Helichrysum kirkii
                                            Helichrysum lambertianum
                                            Helichrysum luteoalbum
                                                   [Gnaphalium luteoalbum]
                                            Helichrysum marginatum
                                            Helichrysum melitense
                                            Helichrysum mildbraedii
                                            Helichrysum monogynum
                                            Helichrysum nanum
                                            Helichrysum natalitium
                                            Helichrysum nicolai
                                            Helichrysum niveum
                                            Helichrysum nudifolium
                                                   [Helichrysum gerberifolium]
                                              Helichrysum nudifolium var. pilosellum
                                                     [Helichrysum latifolium]
                                                     [Helichrysum pedunculare]
                                            Helichrysum odoratissimum
                                            Helichrysum oocephalum
                                                   [Helichrysum kopetdagense]
                                            Helichrysum panduratum
                                            Helichrysum pendulum
                                                   [Helichrysum fontanesii]
                                            Helichrysum petiolare
                                                   [Helichrysum petiolatum]
                                            Helichrysum plicatum
                                            Helichrysum polyphyllum
                                            Helichrysum rosum
                                              Helichrysum rosum var. concolorum
                                            Helichrysum ruandense
                                            Helichrysum rugulosum
                                            Helichrysum sanguineum
                                            Helichrysum schimperi
                                            Helichrysum serotinum
                                            Helichrysum setosum
                                            Helichrysum simillimum
                                            Helichrysum spiralepis
                                                   [Leontonyx squarrosus]
                                            Helichrysum splendidum
                                                   [Helichrysum abyssinicum]
                                            Helichrysum stellatum
                                            Helichrysum stoechas
                                            Helichrysum subglomeratum
                                            Helichrysum sutherlandii
                                            Helichrysum tanacetiflorum
                                            Helichrysum teretifolium
                                            Helichrysum trilineatum
                                            Helichrysum vestitum
                                            Helichrysum virgineum
                                            Helichrysum zeyheri
                                    Heliomeris
                                            Heliomeris hispida
                                                   [Viguiera ciliata]
                                            Heliomeris longifolia
                                                   [Viguiera longifolia]
                                              Heliomeris longifolia var. annua
                                                     [Viguiera annua]
                                            Heliomeris multiflora
                                                   [Gymnolomia multiflora]
                                                   [Viguiera multiflora]
                                              Heliomeris multiflora var. nevadensis
                                                     [Viguiera multiflora var. nevadensis]
                                            Heliomeris soliceps
                                                   [Viguiera soliceps]
                                    Heliopsis
                                            Heliopsis annua
                                            Heliopsis canescens
                                            Heliopsis gracilis
                                            Heliopsis helianthoides
                                              Heliopsis helianthoides var. helianthoides
                                              Heliopsis helianthoides var. scabra
                                                     [Heliopsis helianthoides subsp. scabra]
                                                     [Heliopsis scabra]
                                            Heliopsis laevis
                                            Heliopsis longipes
                                                   [Philactis longipes]
                                            Heliopsis parvifolia
                                            Heliopsis procumbens
                                            Helipterum citrinum
                                    Helodeaster
                                            Helodeaster erici
                                                   [Keysseria erici]
                                            Helodeaster helenae
                                                   [Keysseria helenae]
                                    Helogyne
                                            Helogyne straminea
                                                   [Eupatorium stramineum]
                                    Hemizonella
                                            Hemizonella minima
                                                   [Hemizonella parvula]
                                                   [Madia minima]
                                    Hemizonia
                                            Hemizonia angustifolia
                                            Hemizonia congesta
                                              Hemizonia congesta subsp. clevelandii
                                                     [Hemizonia clevelandii]
                                              Hemizonia congesta subsp. lutescens
                                                     [Hemizonia multicaulis subsp. vernalis]
                                            Hemizonia grandiflora
                                            Hemizonia oppositifolia
                                            Hemizonia rudis
                                    Hertia
                                            Hertia alata
                                            Hertia cheirifolia
                                                   [Othonnopsis cheirifolia]
                                            Hertia intermedia
                                            Hertia pallens
                                    Hesperevax
                                            Hesperevax caulescens
                                                   [Evax caulescens]
                                            Hesperevax sparsiflora
                                                   [Evax sparsiflora]
                                    Heteranthemis
                                            Heteranthemis viscidehirta
                                                   [Chrysanthemum viscosum]
                                    Heterocondylus
                                            Heterocondylus vitalbae
                                                   [Eupatorium vitalbae]
                                    Heteropappus
                                            Heteropappus altaicus
                                                   [Aster altaicus]
                                            Heteropappus arenarius
                                                   [Heteropappus hispidus subsp. arenarius]
                                            Heteropappus biennis
                                            Heteropappus hispidus
                                                   [Heteropappus insularis]
                                    Heterosperma
                                            Heterosperma diversifolium
                                            Heterosperma ovatifolium
                                            Heterosperma pinnatum
                                                   [Heterosperma tagetinum]
                                    Heterotheca
                                            Heterotheca angustifolia
                                                   [Chrysopsis villosa var. angustifolia]
                                            Heterotheca bolanderi
                                                   [Chrysopsis bolanderi]
                                                   [Chrysopsis villosa var. bolanderi]
                                            Heterotheca camphorata
                                                   [Chrysopsis camphorata]
                                            Heterotheca camporum
                                                   [Chrysopsis camporum]
                                            Heterotheca canescens
                                                   [Chrysopsis berlandieri]
                                            Heterotheca fastigiata
                                                   [Chrysopsis villosa var. fastigiata]
                                            Heterotheca fulcrata
                                                   [Chrysopsis fulcrata]
                                            Heterotheca grandiflora
                                            Heterotheca hirsuta
                                                   [Chrysopsis viscida var. ciliata]
                                            Heterotheca hirsutissima
                                                   [Chrysopsis hirsutissima]
                                                   [Heterotheca horrida]
                                            Heterotheca hispida
                                                   [Chrysopsis hispida]
                                                   [Chrysopsis villosa var. hispida]
                                                   [Heterotheca villosa var. hispida]
                                            Heterotheca inuloides
                                            Heterotheca oregona
                                                   [Chrysopsis oregona]
                                            Heterotheca polothrix
                                                   [Chrysopsis viscida var. cinerascens]
                                            Heterotheca pumila
                                                   [Chrysopsis alpicola]
                                            Heterotheca resinolens
                                                   [Chrysopsis amplifolia]
                                                   [Chrysopsis resinolens]
                                            Heterotheca rudis
                                                   [Chrysopsis oregona var. rudis]
                                            Heterotheca rutteri
                                                   [Chrysopsis rutteri]
                                            Heterotheca sessiliflora
                                                   [Chrysopsis sessiliflora]
                                                   [Chrysopsis villosa var. sessiliflora]
                                            Heterotheca subaxillaris
                                                   [Heterotheca chrysopsidis]
                                                   [Heterotheca lamarckii]
                                                   [Heterotheca latifolia]
                                                   [Heterotheca scabra]
                                            Heterotheca villosa
                                                   [Chrysopsis foliosa]
                                                   [Chrysopsis villosa var. foliosa]
                                                   [Chrysopsis villosa]
                                                   [Heterotheca villosa var. foliosa]
                                            Heterotheca villosissima
                                                   [Chrysopsis sessiliflora var. echioides]
                                                   [Chrysopsis villosa var. echioides]
                                            Heterotheca viscida
                                                   [Chrysopsis viscida]
                                    Hidalgoa
                                            Hidalgoa ternata
                                    Hofmeisteria
                                            Hofmeisteria dissecta
                                            Hofmeisteria fasciculata
                                            Hofmeisteria standleyi
                                                   [Fleischmannia standleyi]
                                    Holocarpha
                                            Holocarpha heermannii
                                                   [Hemizonia heermannii]
                                            Holocarpha macradenia
                                            Holocarpha obconica
                                                   [Hemizonia obconica]
                                            Holocarpha virgata
                                              Holocarpha virgata subsp. virgata
                                                     [Hemizonia virgata]
                                    Holozonia
                                            Holozonia filipes
                                                   [Lagophylla filipes]
                                    Homogyne
                                            Homogyne alpina
                                            Homogyne sylvestris
                                    Hubertia
                                            Hubertia heimii
                                            Hubertia leucanthothamnus
                                            Hubertia myrtifolia
                                            Hubertia neoheimii
                                            Hubertia olivacea
                                            Hubertia pleiantha
                                            Hubertia rosellata
                                    Hulsea
                                            Hulsea algida
                                                   [Hulsea carnosa]
                                            Hulsea californica
                                            Hulsea heterochroma
                                            Hulsea mexicana
                                            Hulsea nana
                                            Hulsea vestita
                                    Humbertacalia
                                            Humbertacalia racemosa
                                    Hybridella
                                            Hybridella globosa
                                                   [Zaluzania globosa]
                                    Hymenolepis
                                            Hymenolepis indivisa
                                                   [Athanasia indivisa]
                                            Hymenolepis parviflora
                                                   [Athanasia parviflora]
                                    Hymenopappus
                                            Hymenopappus filifolius
                                              Hymenopappus filifolius var. cinereus
                                                     [Hymenopappus arenosus]
                                                     [Hymenopappus cinereus]
                                              Hymenopappus filifolius var. lugens
                                                     [Hymenopappus gloriosus]
                                                     [Hymenopappus lugens]
                                              Hymenopappus filifolius var. luteus
                                                     [Hymenopappus luteus]
                                              Hymenopappus filifolius var. parvulus
                                                     [Hymenopappus parvulus]
                                            Hymenopappus flavescens
                                              Hymenopappus flavescens var. canotomentosus
                                                     [Hymenopappus robustus]
                                            Hymenopappus mexicanus
                                            Hymenopappus newberryi
                                                   [Leucampyx newberryi]
                                            Hymenopappus radiatus
                                            Hymenopappus scabiosaeus
                                              Hymenopappus scabiosaeus var. corymbosus
                                            Hymenopappus scaposus
                                            Hymenopappus sulphureus
                                            Hymenopappus tenuifolius
                                    Hymenostephium
                                            Hymenostephium cordatum
                                                   [Aspilia hispida]
                                                   [Gymnolomia patens]
                                                   [Hymenostephium guatemalense]
                                                   [Hymenostephium microcephalum]
                                            Hymenostephium quitensis
                                                   [Viguiera quitensis]
                                            Hymenostephium rivularis
                                                   [Garcilassa rivularis]
                                            Hymenostephium tenue
                                                   [Viguiera tenuis]
                                    Hymenothrix
                                            Hymenothrix biternata
                                                   [Bahia biternata]
                                            Hymenothrix dissecta
                                                   [Bahia chrysanthemoides]
                                                   [Bahia dissecta]
                                            Hymenothrix glandulopubescens
                                                   [Bahia glandulosa]
                                            Hymenothrix loomisii
                                            Hymenothrix palmeri
                                            Hymenothrix pedata
                                                   [Bahia pedata]
                                            Hymenothrix wislizeni
                                            Hymenothrix wislizenii
                                            Hymenothrix wrightii
                                    Hymenoxys
                                            Hymenoxys ambigens
                                              Hymenoxys ambigens var. floribunda
                                                     [Plummera floribunda]
                                            Hymenoxys anthemoides
                                                   [Actinea anthemoides]
                                            Hymenoxys bigelovii
                                                   [Actinea bigelovii]
                                            Hymenoxys brandegei
                                                   [Actinea brandegei]
                                            Hymenoxys cooperi
                                                   [Actinea canescens]
                                                   [Actinea cooperi]
                                            Hymenoxys grandiflora
                                                   [Actinea grandiflora]
                                            Hymenoxys helenioides
                                                   [Actinea helenioides]
                                            Hymenoxys hoopesii
                                                   [Helenium hoopesii]
                                            Hymenoxys insignis
                                                   [Actinea chrysanthemoides]
                                                   [Actinea insignis]
                                            Hymenoxys lemmonii
                                                   [Actinea lemmonii]
                                            Hymenoxys megapotamica
                                                   [Actinea tweediei]
                                            Hymenoxys odorata
                                                   [Actinea odorata]
                                            Hymenoxys richardsonii
                                                   [Actinea biennis]
                                                   [Actinea richardsonii]
                                              Hymenoxys richardsonii var. floribunda
                                                     [Actinea richardsonii var. floribunda]
                                            Hymenoxys rusbyi
                                                   [Actinea rusbyi]
                                            Hymenoxys subintegra
                                                   [Actinea subintegra]
                                            Hymenoxys texana
                                                   [Actinea texana]
                                    Hypericophyllum
                                            Hypericophyllum compositarum
                                                   [Jaumea compositarum]
                                    Hysterionica
                                            Hysterionica jasionoides
                                            Hysterionica villosa
                                                   [Hysterionica montevidensis]
                                    Ichthyothere
                                            Ichthyothere peruviana
                                            Ichthyothere terminalis
                                            Ichthyothere woodii
                                    Idiopappus
                                            Idiopappus saloyensis
                                                   [Verbesina saloyensis]
                                    Ifloga
                                            Ifloga spicata
                                              Ifloga spicata subsp. spicata
                                                     [Ifloga fontanesii]
                                    Inula
                                            Inula bubonium
                                            Inula candida
                                            Inula ciliaris
                                            Inula conyza
                                            Inula glandulosa
                                            Inula glomerata
                                            Inula grandiflora
                                            Inula helenium
                                            Inula hirta
                                            Inula hookeri
                                            Inula hybrida
                                            Inula japonica
                                                   [Inula britannica subsp. japonica]
                                            Inula media
                                            Inula montbretiana
                                            Inula obtusifolia
                                            Inula oculus-christi
                                            Inula racemosa
                                            Inula rhizocephala
                                            Inula rhizocephaloides
                                            Inula royleana
                                            Inula thapsoides
                                            Inula vaillantii
                                    Inulanthera
                                            Inulanthera thodei
                                                   [Athanasia thodei]
                                    Inulopsis
                                            Inulopsis camporum
                                                   [Aster camporum]
                                            Inulopsis scaposa
                                    Ionactis
                                            Ionactis alpina
                                                   [Aster scopulorum]
                                            Ionactis linariifolia
                                                   [Aster linariifolius var. victorinii]
                                                   [Aster linariifolius]
                                            Ionactis stenomeres
                                                   [Aster stenomeres]
                                    Iostephane
                                            Iostephane heterophylla
                                            Iostephane madrensis
                                                   [Helianthella madrensis]
                                                   [Pionocarpus madrensis]
                                    Iphiona
                                            Iphiona grantioides
                                            Iphiona scabra
                                    Isocarpha
                                            Isocarpha atriplicifolia
                                            Isocarpha billbergiana
                                            Isocarpha microcephala
                                                   [Isocarpha divaricata]
                                            Isocarpha oppositifolia
                                              Isocarpha oppositifolia var. achyranthes
                                    Isocoma
                                            Isocoma acradenia
                                                   [Haplopappus acradenius]
                                            Isocoma drummondii
                                                   [Bigelowia drummondii]
                                                   [Haplopappus drummondii]
                                            Isocoma hartwegii
                                                   [Haplopappus hartwegii]
                                            Isocoma pluriflora
                                                   [Bigelowia wrightii]
                                                   [Haplopappus heterophyllus]
                                            Isocoma tenuisecta
                                                   [Haplopappus fruticosus]
                                            Isocoma veneta
                                                   [Haplopappus venetus]
                                    Isostigma
                                            Isostigma dissitifolium
                                    Iva
                                            Iva annua
                                              Iva annua var. caudata
                                                     [Iva caudata]
                                            Iva asperifolia
                                              Iva asperifolia var. angustifolia
                                                     [Iva angustifolia]
                                            Iva axillaris
                                            Iva frutescens
                                              Iva frutescens subsp. oraria
                                                     [Iva oraria]
                                            Iva hayesiana
                                            Iva imbricata
                                            Iva microcephala
                                    Ixodia
                                            Ixodia achillaeoides
                                              Ixodia achillaeoides subsp. alata
                                                     [Ixodia alata]
                                    Jacobaea
                                            Jacobaea abrotanifolia
                                              Jacobaea abrotanifolia subsp. tiroliensis
                                                     [Senecio tiroliensis]
                                            Jacobaea analoga
                                                   [Senecio sisymbriiformis]
                                            Jacobaea buschiana
                                            Jacobaea cannabifolia
                                                   [Senecio cannabifolius]
                                            Jacobaea carniolica
                                                   [Senecio incanus subsp. carniolicus]
                                            Jacobaea erratica
                                                   [Senecio erraticus]
                                            Jacobaea erucifolia
                                              Jacobaea erucifolia subsp. argunensis
                                                     [Senecio argunensis]
                                              Jacobaea erucifolia subsp. grandidentata
                                                     [Senecio grandidentatus]
                                            Jacobaea gigantea
                                                   [Senecio giganteus]
                                            Jacobaea graciliflora
                                                   [Senecio graciliflorus]
                                            Jacobaea maritima
                                              Jacobaea maritima subsp. maritima
                                                     [Senecio cineraria]
                                            Jacobaea mouterdei
                                            Jacobaea paludosa
                                              Jacobaea paludosa subsp. paludosa
                                                     [Senecio paludosus]
                                            Jacobaea pseudoarnica
                                                   [Senecio pseudoarnica]
                                            Jacobaea renardii
                                                   [Senecio renardii]
                                            Jacobaea subalpina
                                                   [Senecio subalpinus]
                                            Jacobaea trapezuntina
                                    Jaegeria
                                            Jaegeria hirta
                                            Jaegeria macrocephala
                                            Jaegeria pedunculata
                                    Jalcophila
                                            Jalcophila colombiana
                                    Jamesianthus
                                            Jamesianthus alabamensis
                                    Japonicalia
                                            Japonicalia delphiniifolia
                                                   [Cacalia delphiniifolia]
                                    Jaramilloa
                                            Jaramilloa hylibates
                                    Jasonia
                                    Jaumea
                                            Jaumea carnosa
                                    Jefea
                                            Jefea brevifolia
                                                   [Zexmenia brevifolia]
                                            Jefea lantanifolia
                                                   [Zexmenia lantanifolia]
                                    Jeffreya
                                            Jeffreya petitiana
                                    Jensia
                                            Jensia rammii
                                                   [Madia rammii]
                                            Jensia yosemitana
                                                   [Madia yosemitana]
                                    Jessea
                                            Jessea cooperi
                                                   [Senecio cooperi]
                                            Jessea megaphylla
                                                   [Senecio megaphyllus]
                                    Kalimeris
                                            Kalimeris indica
                                              Kalimeris indica subsp. indica
                                                     [Boltonia cantoniensis]
                                                     [Boltonia indica]
                                            Kalimeris integrifolia
                                                   [Aster pekinensis]
                                            Kalimeris pinnatifida
                                                   [Aster iinumae]
                                            Kalimeris yomena
                                              Kalimeris yomena subsp. yomena
                                                     [Aster yomena]
                                    Karelinia
                                            Karelinia caspia
                                    Kaunia
                                            Kaunia pachanoi
                                    Kemulariella
                                            Kemulariella abchasica
                                            Kemulariella colchica
                                    Keysseria
                                            Keysseria helena
                                            Keysseria radicans
                                    Kingianthus
                                            Kingianthus paradoxus
                                    Kitamuria
                                            Kitamuria glehnii
                                                   [Aster glehnii]
                                    Kleinia
                                            Kleinia abyssinica
                                                   [Notonia abyssinica]
                                            Kleinia grandiflora
                                                   [Notonia grandiflora]
                                                   [Senecio ampliflorus]
                                            Kleinia kleinioides
                                                   [Senecio kleinioides]
                                            Kleinia leptophylla
                                            Kleinia petraea
                                                   [Notonia petraea]
                                            Kleinia picticaulis
                                                   [Senecio picticaulis]
                                            Kleinia scottii
                                                   [Kleinia scotti]
                                            Kleinia shevaroyensis
                                                   [Notonia shevaroyensis]
                                            Kleinia stapeliiformis
                                                   [Senecio stapeliiformis]
                                            Kleinia vermicularis
                                    Koanophyllon
                                            Koanophyllon albicaule
                                                   [Eupatorium albicaule]
                                            Koanophyllon celtidifolia
                                                   [Eupatorium celtidifolium]
                                            Koanophyllon hotteanum
                                            Koanophyllon monanthum
                                                   [Eupatorium monanthum]
                                            Koanophyllon palmeri
                                                   [Eupatorium palmeri]
                                            Koanophyllon revealii
                                            Koanophyllon solidaginifolium
                                                   [Eupatorium solidaginifolium]
                                            Koanophyllon tricephalotes
                                                   [Eupatorium tricephalotes]
                                            Koanophyllon wetmorei
                                    Kyhosia
                                            Kyhosia bolanderi
                                                   [Madia bolanderi]
                                    Kyrsteniopsis
                                            Kyrsteniopsis cymulifera
                                                   [Brickellia cymulifera]
                                            Kyrsteniopsis iltisii
                                                   [Critonia iltisii]
                                            Kyrsteniopsis spinaciifolia
                                                   [Eupatorium hastile]
                                    Lachanodes
                                            Lachanodes arborea
                                    Laennecia
                                            Laennecia artemisiifolia
                                                   [Conyza artemisiifolia]
                                            Laennecia confusa
                                                   [Erigeron gnaphalioides]
                                            Laennecia coulteri
                                                   [Conyza coulteri]
                                            Laennecia eriophylla
                                                   [Erigeron eriophyllus]
                                            Laennecia filaginoides
                                                   [Conyza filaginoides]
                                            Laennecia schiedeana
                                                   [Erigeron schiedeanum]
                                                   [Erigeron subdecurrens]
                                            Laennecia sophiifolia
                                                   [Conyza sophiifolia]
                                    Laestadia
                                            Laestadia rupestris
                                    Lagascea
                                            Lagascea angustifolia
                                            Lagascea decipiens
                                                   [Calhounia nelsonae]
                                              Lagascea decipiens var. glandulosa
                                                     [Lagascea glandulosa]
                                            Lagascea helianthifolia
                                                   [Lagascea suaveolens]
                                            Lagascea mollis
                                    Lagenophora
                                            Lagenophora billardieri
                                            Lagenophora hariotii
                                            Lagenophora hirsuta
                                            Lagenophora mikadoi
                                            Lagenophora nudicaulis
                                            Lagenophora petiolata
                                            Lagenophora pinnatifida
                                            Lagenophora pumila
                                                   [Lagenophora forsteri]
                                            Lagenophora sublyrata ter
                                                   [Lagenophora lanata]
                                    Laggera
                                            Laggera alata
                                                   [Blumea alata]
                                            Laggera crispata
                                                   [Laggera pterodonta]
                                            Laggera tomentosa
                                    Lagophylla
                                            Lagophylla dichotoma
                                            Lagophylla glandulosa
                                            Lagophylla minor
                                                   [Lagophylla dichotoma subsp. minor]
                                            Lagophylla ramosissima
                                    Lantanopsis
                                            Lantanopsis hoffmannii
                                    Laphamia
                                            Laphamia lemmonii
                                            Laphamia stansburyi
                                            Laphamia toumeyi
                                            Laphamia palmeri
                                    Lasianthaea
                                            Lasianthaea ceanothifolia
                                                   [Zexmenia ceanothifolia]
                                              Lasianthaea ceanothifolia var. gracilis
                                                     [Zexmenia gracilis]
                                              Lasianthaea ceanothifolia var. gradata
                                                     [Zexmenia gradata]
                                              Lasianthaea ceanothifolia var. verbenifolia
                                                     [Zexmenia microcephala]
                                            Lasianthaea crocea
                                                   [Zexmenia crocea]
                                            Lasianthaea fruticosa
                                                   [Zexmenia frutescens]
                                              Lasianthaea fruticosa var. alamosana
                                                     [Zexmenia fruticosa]
                                              Lasianthaea fruticosa var. fasciculata
                                                     [Zexmenia fasciculata]
                                            Lasianthaea podocephala
                                                   [Zexmenia podocephala]
                                            Lasianthaea seemannii
                                                   [Zexmenia seemannii]
                                    Lasiocephalus
                                            Lasiocephalus lingulatus
                                                   [Aetheolaena hypoleuca]
                                                   [Aetheolaena ledifolia]
                                                   [Aetheolaena pichinchensis]
                                    Lasiopogon
                                            Lasiopogon muscoides
                                    Lasiospermum
                                            Lasiospermum bipinnatum
                                    Lasthenia
                                            Lasthenia burkei
                                            Lasthenia californica
                                              Lasthenia californica subsp. californica
                                                     [Baeria chrysostoma]
                                                     [Baeria clevelandii]
                                                     [Baeria hirsutula]
                                                     [Baeria palmeri]
                                                     [Baeria tenerrima]
                                              Lasthenia californica subsp. macrantha
                                                     [Baeria macrantha]
                                                     [Lasthenia macrantha]
                                            Lasthenia chrysantha
                                                   [Crockeria chrysantha]
                                            Lasthenia conjugens
                                            Lasthenia coronaria
                                                   [Baeria aristata]
                                                   [Baeria californica]
                                                   [Baeria mutica]
                                            Lasthenia debilis
                                                   [Baeria debilis]
                                            Lasthenia fremontii
                                                   [Baeria fremontii var. heterochaeta]
                                                   [Baeria fremontii]
                                            Lasthenia glaberrima
                                            Lasthenia glabrata
                                              Lasthenia glabrata subsp. coulteri
                                                     [Lasthenia glabrata var. coulteri]
                                            Lasthenia gracilis
                                                   [Baeria chrysostoma subsp. gracilis]
                                                   [Baeria gracilis]
                                            Lasthenia kunthii
                                                   [Lasthenia obtusifolia]
                                            Lasthenia leptalea
                                                   [Baeria leptalea]
                                            Lasthenia maritima
                                                   [Baeria maritima]
                                            Lasthenia microglossa
                                                   [Baeria microglossa]
                                                   [Burrielia microglossa]
                                            Lasthenia minor
                                                   [Baeria tenella]
                                                   [Baeria uliginosa var. tenella]
                                                   [Baeria uliginosa]
                                            Lasthenia platycarpha
                                                   [Baeria platycarpha]
                                    Lawrencella
                                            Lawrencella rosea
                                                   [Helichrysum lawrencella]
                                    Layia
                                            Layia carnosa
                                            Layia chrysanthemoides
                                                   [Layia calliglossa]
                                            Layia gaillardioides
                                            Layia glandulosa
                                                   [Layia douglasii]
                                            Layia heterotricha
                                                   [Blepharipappus heterotrichus]
                                            Layia hieracioides
                                            Layia pentachaeta
                                              Layia pentachaeta subsp. albida
                                            Layia platyglossa
                                                   [Layia elegans]
                                                   [Layia platyglossa subsp. campestris]
                                            Layia septentrionalis
                                    Lecocarpus
                                            Lecocarpus lecocarpoides
                                    Leontopodium
                                            Leontopodium alpinum
                                            Leontopodium brachyactis
                                            Leontopodium discolor
                                            Leontopodium hayachinense
                                              Leontopodium hayachinense var. miyabeanum
                                            Leontopodium himalayanum
                                            Leontopodium japonicum
                                            Leontopodium leontopodioides
                                                   [Leontopodium sibiricum]
                                            Leontopodium monocephalum
                                            Leontopodium nanum
                                                   [Antennaria nana]
                                            Leontopodium nivale
                                              Leontopodium nivale subsp. alpinum
                                                     [Gnaphalium leontopodium]
                                                     [Leontopodium leontopodium]
                                            Leontopodium ochroleucum
                                    Lepidolopha
                                            Lepidolopha komarowii
                                    Lepidophyllum
                                            Lepidophyllum cupressiforme
                                    Lepidospartum
                                            Lepidospartum latisquamum
                                            Lepidospartum squamatum
                                                   [Lepidospartum squamatum var. palmeri]
                                    Lepidostephium
                                            Lepidostephium denticulatum
                                    Leptinella
                                            Leptinella plumosa
                                                   [Cotula plumosa]
                                            Leptinella scariosa
                                                   [Cotula acaenoides]
                                                   [Cotula scariosa]
                                    Leptocarpha
                                            Leptocarpha rivularis
                                    Leptostelma
                                            Leptostelma maxima
                                                   [Erigeron maximus]
                                            Leptostelma tweediei
                                                   [Erigeron tweediei]
                                    Lessingia
                                            Lessingia fastigiata
                                            Lessingia germanorum
                                            Lessingia glandulifera
                                                   [Lessingia germanorum var. ramulosissima]
                                                   [Lessingia lemmonii]
                                            Lessingia hololeuca
                                            Lessingia leptoclada
                                            Lessingia nana
                                            Lessingia nemaclada
                                                   [Lessingia mendocina]
                                            Lessingia ramulosa
                                                   [Lessingia adenophora]
                                    Leucanthemella
                                            Leucanthemella linearis
                                                   [Chrysanthemum lineare]
                                            Leucanthemella serotina
                                                   [Chrysanthemum serotinum]
                                                   [Chrysanthemum uliginosum]
                                    Leucanthemopsis
                                            Leucanthemopsis alpina
                                              Leucanthemopsis alpina subsp. alpina
                                                     [Pyrethrum alpinum]
                                              Leucanthemopsis alpina subsp. tomentosa
                                                     [Chrysanthemum alpinum subsp. tomentosum]
                                            Leucanthemopsis pallida
                                              Leucanthemopsis pallida subsp. pallida
                                                     [Chrysanthemum aragonense]
                                                     [Chrysanthemum pallidum]
                                            Leucanthemopsis pectinata
                                                   [Chrysanthemum radicans]
                                    Leucanthemum
                                            Leucanthemum atratum
                                                   [Chrysanthemum atratum]
                                            Leucanthemum graminifolium
                                                   [Chrysanthemum graminifolium]
                                            Leucanthemum heterophyllum
                                                   [Chrysanthemum heterophyllum]
                                            Leucanthemum ircutianum
                                              Leucanthemum ircutianum subsp. ircutianum
                                                     [Chrysanthemum leucanthemum var. pinnatifidum]
                                            Leucanthemum lacustre
                                                   [Chrysanthemum lacustre]
                                            Leucanthemum maximum
                                                   [Chrysanthemum maximum]
                                            Leucanthemum monspeliense
                                                   [Chrysanthemum cebennense]
                                            Leucanthemum rotundifolium
                                                   [Chrysanthemum rotundifolium]
                                                   [Leucanthemum waldsteinii]
                                            Leucanthemum vulgare
                                              Leucanthemum vulgare subsp. vulgare
                                                     [Chrysanthemum leucanthemum]
                                            Leucanthemum × superbum
                                            Leucelene ericoides
                                    Leucochrysum
                                            Leucochrysum albicans
                                              Leucochrysum albicans subsp. albicans
                                                     [Helipterum albicans]
                                    Leucosyris
                                            Leucosyris carnosa
                                                   [Aster intricatus]
                                            Leucosyris coulteri
                                                   [Psilactis coulteri]
                                            Leucosyris parviflora
                                                   [Aster parvulus]
                                            Leucosyris riparia
                                                   [Aster riparius]
                                    Leysera
                                            Leysera leyseroides
                                                   [Leysera capillifolia]
                                            Leysera tenella
                                    Liatris
                                            Liatris acidota
                                                   [Liatris halei]
                                            Liatris aspera
                                                   [Liatris aspera var. intermedia]
                                            Liatris borealis
                                            Liatris chapmanii
                                            Liatris cylindracea
                                            Liatris cymosa
                                            Liatris elegans
                                            Liatris gracilis
                                                   [Liatris laxa]
                                            Liatris helleri
                                                   [Liatris turgida]
                                            Liatris laevigata
                                            Liatris ligulistylis
                                            Liatris microcephala
                                            Liatris ohlingerae
                                            Liatris oligocephala
                                            Liatris pilosa
                                                   [Liatris graminifolia]
                                            Liatris provincialis
                                            Liatris punctata
                                                   [Liatris punctata var. nebraskana]
                                              Liatris punctata var. mucronata
                                                     [Liatris mucronata]
                                            Liatris pycnostachya
                                                   [Liatris bebbiana]
                                                   [Liatris langloisii]
                                            Liatris scariosa
                                            Liatris spicata
                                                   [Liatris spicata var. montana]
                                              Liatris spicata var. glabrata
                                                     [Liatris glabrata]
                                              Liatris spicata var. resinosa
                                            Liatris squarrosa
                                                   [Liatris glabrata var. alabamensis]
                                              Liatris squarrosa var. alabamensis
                                            Liatris squarrulosa
                                                   [Liatris scabra]
                                            Liatris virgata
                                                   [Liatris graminifolia var. racemosa]
                                                   [Liatris regimontis]
                                                   [Liatris spicata var. racemosa]
                                            Liatris × nieuwlandii
                                    Libinhania
                                            Libinhania nimmoana
                                                   [Helichrysum nimmoanum]
                                            Libinhania suffruticosa
                                                   [Helichrysum suffruticosum]
                                    Ligularia
                                            Ligularia altaica
                                            Ligularia angusta
                                            Ligularia dentata
                                              Ligularia dentata subsp. dentata
                                                     [Ligularia clivorum]
                                            Ligularia dolichobotrys
                                            Ligularia fischeri
                                                   [Ligularia splendens]
                                            Ligularia hodgsonii
                                            Ligularia intermedia
                                            Ligularia jacquemontiana
                                                   [Senecio jacquemontianus]
                                            Ligularia japonica
                                            Ligularia kaialpina
                                            Ligularia przewalskii
                                            Ligularia schmidtii
                                            Ligularia sibirica
                                            Ligularia stenocephala
                                            Ligularia veitchiana
                                    Limbarda
                                            Limbarda crithmoides
                                                   [Inula crithmifolia]
                                    Lindheimera
                                            Lindheimera texana
                                    Linochilus
                                            Linochilus anactinotus
                                                   [Diplostephium anactinotum]
                                            Linochilus antioquensis
                                            Linochilus apiculatus
                                            Linochilus bicolor
                                                   [Diplostephium bicolor]
                                            Linochilus camargoanus
                                            Linochilus chrysotrichus
                                            Linochilus colombianus
                                            Linochilus coriaceus
                                            Linochilus ellipticus
                                            Linochilus frontinensis
                                            Linochilus heterophyllus
                                            Linochilus jaramilloi
                                            Linochilus juajibioyi
                                            Linochilus oblongifolius
                                            Linochilus ochraceus
                                                   [Diplostephium ochraceum]
                                            Linochilus perijaensis
                                            Linochilus phylicoides
                                                   [Diplostephium phylicoides]
                                            Linochilus revolutus
                                                   [Diplostephium revolutum]
                                            Linochilus rosmarinifolius
                                                   [Diplostephium rosmarinifolium]
                                            Linochilus rupestris
                                                   [Diplostephium rupestre]
                                            Linochilus santamartae
                                            Linochilus schultzii
                                                   [Diplostephium lehmannianum]
                                            Linochilus violaceus
                                    Lipochaeta
                                            Lipochaeta fauriei
                                                   [Melanthera fauriei]
                                            Lipochaeta heterophylla
                                            Lipochaeta kamolensis
                                                   [Melanthera kamolensis]
                                            Lipochaeta lavarum
                                                   [Lipochaeta lavarum var. lanaiensis]
                                            Lipochaeta lobata
                                              Lipochaeta lobata subsp. leptophylla
                                              Lipochaeta lobata var. leptophylla
                                            Lipochaeta tenuifolia
                                                   [Melanthera tenuifolia]
                                            Lipochaeta venosa
                                            Lipochaeta waimeaensis
                                                   [Melanthera waimeaensis]
                                    Lipotriche
                                            Lipotriche felicis
                                            Lipotriche pungens
                                              Lipotriche pungens subsp. pungens
                                                     [Melanthera ugandensis]
                                            Lipotriche tithonioides
                                    Llerasia
                                            Llerasia caucana
                                            Llerasia fuliginea
                                    Logfia
                                            Logfia arizonica
                                                   [Filago arizonica]
                                            Logfia californica
                                                   [Filago californica]
                                            Logfia depressa
                                                   [Filago depressa]
                                            Logfia gallica
                                                   [Filago gallica]
                                            Logfia minima
                                                   [Filago minima]
                                    Lomanthus
                                            Lomanthus fosbergii
                                                   [Talamancalia fosbergii]
                                            Lomanthus putcalensis
                                                   [Talamancalia putcalensis]
                                    Lonas
                                            Lonas annua
                                                   [Lonas inodora]
                                    Lopholaena
                                            Lopholaena deltombei
                                            Lopholaena whyteana
                                    Lorandersonia
                                            Lorandersonia baileyi
                                                   [Chrysothamnus pulchellus subsp. baileyi]
                                            Lorandersonia linifolia
                                                   [Chrysothamnus linifolius]
                                                   [Chrysothamnus viscidiflorus var. linifolius]
                                            Lorandersonia pulchella
                                                   [Chrysothamnus pulchellus]
                                            Lorandersonia spathulata
                                                   [Chrysothamnus spathulatus]
                                    Loxothysanus
                                            Loxothysanus sinuatus
                                                   [Bahia sinuata]
                                    Lucilia
                                            Lucilia linearifolia
                                            Lucilia lycopodioides
                                                   [Oligandra lycopodioides]
                                    Luina
                                    Lundellianthus
                                            Lundellianthus salvinii
                                                   [Zexmenia salvinii]
                                    Machaeranthera
                                            Machaeranthera angustifolia
                                            Machaeranthera linearis
                                            Machaeranthera tagetina
                                                   [Aster tagetinus]
                                            Machaeranthera tanacetifolia
                                                   [Aster tanacetifolius]
                                    Madagaster
                                            Madagaster madagascariensis
                                            Madagaster mandrarensis
                                            Madagaster senecionoides
                                    Madia
                                            Madia anomala
                                            Madia chilensis
                                            Madia citriodora
                                            Madia elegans
                                                   [Hemizonia wheeleri]
                                                   [Madia elegans var. densifolia]
                                                   [Madia wheeleri]
                                            Madia exigua
                                                   [Madia filipes]
                                            Madia glomerata
                                            Madia gracilis
                                                   [Madia dissitiflora]
                                            Madia radiata
                                            Madia sativa
                                                   [Madia racemosa]
                                    Malperia
                                            Malperia tenuis
                                    Marshallia
                                            Marshallia caespitosa
                                            Marshallia graminifolia
                                              Marshallia graminifolia subsp. tenuifolia
                                                     [Marshallia tenuifolia]
                                            Marshallia grandiflora
                                            Marshallia mohrii
                                            Marshallia obovata
                                                   [Marshallia lanceolata]
                                            Marshallia ramosa
                                            Marshallia trinervia
                                                   [Marshallia latifolia]
                                    Matricaria
                                            Matricaria aurea
                                            Matricaria chamomilla
                                                   [Matricaria chamomilla var. coronata]
                                                   [Matricaria courrantiana]
                                                   [Matricaria recutita]
                                            Matricaria discoidea
                                                   [Chamomilla suaveolens]
                                                   [Matricaria matricarioides]
                                            Matricaria inodora
                                            Matricaria occidentalis
                                            Matricaria tenuifolia
                                    Mauranthemum
                                            Mauranthemum paludosum
                                              Mauranthemum paludosum subsp. paludosum
                                                     [Chrysanthemum glabrum]
                                                     [Leucanthemum paludosum]
                                    Mausolea
                                            Mausolea eriocarpa
                                                   [Artemisia eriocarpa]
                                    Medranoa
                                            Medranoa palmeri
                                                   [Aster palmeri]
                                                   [Ericameria austrotexana]
                                    Melampodium
                                            Melampodium cinereum
                                                   [Melampodium cinereum var. hirtellum]
                                            Melampodium divaricatum
                                                   [Melampodium paludosum]
                                            Melampodium gracile
                                            Melampodium leucanthum
                                              Melampodium leucanthum var. leucanthum
                                            Melampodium linearilobum
                                            Melampodium longifolium
                                                   [Melampodium rhomboideum]
                                            Melampodium microcephalum
                                            Melampodium montanum
                                                   [Melampodium montanum var. viridulum]
                                            Melampodium paniculatum
                                            Melampodium perfoliatum
                                            Melampodium rosei
                                            Melampodium sericeum
                                                   [Melampodium hispidum]
                                    Melanodendron
                                            Melanodendron integrifolium
                                    Melanthera
                                            Melanthera angustifolia
                                                   [Melanthera lanceolata]
                                            Melanthera nivea
                                                   [Melanthera aspera var. glabriuscula]
                                                   [Melanthera aspera]
                                                   [Melanthera deltoidea]
                                                   [Melanthera hastata]
                                                   [Melanthera oxylepis]
                                            Melanthera parvifolia
                                            Melanthera prostrata
                                                   [Wedelia prostrata]
                                            Melanthera robusta
                                                   [Wedelia robusta]
                                    Metalasia
                                            Metalasia aurea
                                            Metalasia brevifolia
                                            Metalasia muricata
                                            Metalasia pallida
                                            Metalasia pulcherrima
                                                   [Metalasia gnaphalodes]
                                    Metamyriactis
                                            Metamyriactis panduratus
                                                   [Aster fordii]
                                                   [Aster striatus]
                                            Metamyriactis sikkimensis
                                                   [Aster sikkimensis]
                                    Micractis
                                            Micractis bojeri
                                    Microcephala
                                            Microcephala lamellata
                                              Microcephala lamellata subsp. lamellata
                                                     [Matricaria lamellata]
                                    Microglossa
                                            Microglossa caudata
                                            Microglossa densiflora
                                            Microglossa hildebrandtii
                                                   [Microglossa parvifolia]
                                            Microglossa mespilifolia
                                            Microglossa pyrifolia
                                            Microglossa pyrrhopappa
                                                   [Conyza pyrrhopappa]
                                    Micropus
                                            Micropus erectus
                                            Micropus supinus
                                    Mikania
                                            Mikania andrei
                                            Mikania aschersonii
                                            Mikania banisteriae
                                                   [Mikania ruiziana]
                                                   [Mikania skutchii]
                                            Mikania barahonensis
                                            Mikania boliviensis
                                            Mikania broadwayi
                                            Mikania burchellii
                                            Mikania campanulata
                                            Mikania chenopodifolia
                                                   [Mikania capensis]
                                            Mikania chimborazensis
                                            Mikania congesta
                                            Mikania cordata
                                            Mikania cordifolia
                                                   [Mikania gonoclada]
                                            Mikania ferruginea
                                            Mikania granulata
                                                   [Mikania jamesonii]
                                            Mikania guaco
                                            Mikania hirsutissima
                                            Mikania hookeriana
                                                   [Mikania platyphylla]
                                            Mikania houstoniana
                                            Mikania involucrata
                                            Mikania iserniana
                                            Mikania laevigata
                                            Mikania lanuginosa
                                            Mikania ligustrifolia
                                            Mikania lindbergii
                                            Mikania manomoi
                                            Mikania micrantha
                                                   [Mikania batatifolia]
                                            Mikania microcephala
                                            Mikania millei
                                            Mikania oblongifolia
                                            Mikania odoratissima
                                            Mikania ovalis
                                            Mikania pachyphylla
                                            Mikania pannosa
                                            Mikania periplocifolia
                                            Mikania polycephala
                                            Mikania psilostachya
                                                   [Mikania psilostachya var. scabra]
                                            Mikania pulverulenta
                                            Mikania scandens
                                            Mikania seemannii
                                            Mikania sericea
                                            Mikania smaragdina
                                            Mikania stereolepis
                                            Mikania stuebelii
                                            Mikania tafallana
                                            Mikania trinervis
                                            Mikania urticifolia
                                                   [Mikania phyllopoda]
                                            Mikania virgata
                                    Mikaniopsis
                                            Mikaniopsis camarae
                                            Mikaniopsis clematoides
                                            Mikaniopsis maitlandii
                                            Mikaniopsis vitalba
                                    Milleria
                                            Milleria quinqueflora
                                    Millotia
                                            Millotia tenuifolia
                                    Minuria
                                            Minuria leptophylla
                                                   [Minuria asteroidea]
                                    Miyamayomena
                                            Miyamayomena savatieri
                                                   [Gymnaster savatieri]
                                    Mniodes
                                            Mniodes kunthiana
                                                   [Lucilia kunthiana]
                                    Monactis
                                            Monactis anderssonii
                                            Monactis dubia
                                            Monactis holwayae
                                            Monactis lojaensis
                                            Monactis pallatangensis
                                            Monactis rhombifolia
                                    Monarrhenus
                                            Monarrhenus salicifolius
                                    Monolopia
                                            Monolopia congdonii
                                                   [Eatonella congdonii]
                                            Monolopia gracilens
                                            Monolopia lanceolata
                                            Monolopia major
                                            Monolopia stricta
                                    Monoptilon
                                            Monoptilon bellidiforme
                                            Monoptilon bellioides
                                                   [Eremiastrum bellioides]
                                    Montanoa
                                            Montanoa andersonii
                                            Montanoa atriplicifolia
                                            Montanoa bipinnatifida
                                                   [Montanoa pyramidata]
                                            Montanoa frutescens
                                            Montanoa grandiflora
                                            Montanoa guatemalensis
                                            Montanoa hexagona
                                            Montanoa hibiscifolia
                                            Montanoa imbricata
                                            Montanoa karwinskii
                                            Montanoa leucantha
                                              Montanoa leucantha subsp. arborescens
                                                     [Montanoa patens]
                                            Montanoa revealii
                                            Montanoa speciosa
                                            Montanoa tomentosa
                                              Montanoa tomentosa subsp. rosei
                                              Montanoa tomentosa subsp. tomentosa
                                                     [Montanoa floribunda]
                                              Montanoa tomentosa subsp. xanthiifolia
                                    Monticalia
                                            Monticalia abietina
                                                   [Senecio abietinus]
                                            Monticalia albipanquei
                                                   [Pentacalia albipanquei]
                                            Monticalia almorzana
                                                   [Pentacalia almorzana]
                                            Monticalia angustifolia
                                            Monticalia befarioides
                                                   [Pentacalia befarioides]
                                            Monticalia cacaosensis
                                                   [Pentacalia cacaosensis]
                                            Monticalia corymbosa
                                                   [Senecio microchaeta]
                                            Monticalia elatoides
                                                   [Pentacalia elatoides]
                                            Monticalia fimbriifera
                                                   [Pentacalia fimbriifera]
                                            Monticalia gelida
                                                   [Senecio gelidus]
                                            Monticalia harrietae
                                                   [Pentacalia harrietae]
                                            Monticalia microdon
                                                   [Pentacalia microdon]
                                            Monticalia novolanata
                                                   [Pentacalia novolanata]
                                            Monticalia perijaensis
                                                   [Pentacalia perijaensis]
                                            Monticalia rosmarinifolia
                                                   [Pentacalia rosmarinifolia]
                                            Monticalia summapacis
                                                   [Pentacalia summapacis]
                                            Monticalia taironae
                                                   [Pentacalia taironae]
                                            Monticalia teretifolia
                                                   [Senecio teretifolius]
                                            Monticalia tolimensis
                                                   [Senecio tolimensis]
                                            Monticalia vaccinioides
                                                   [Senecio vaccinioides]
                                            Monticalia viridialba
                                                   [Pentacalia viridialba]
                                            Morrenia odorata
                                    Mtonia
                                            Mtonia glandulifera
                                    Muellerolaria
                                            Muellerolaria rudis
                                                   [Olearia rudis]
                                    Myriactis
                                            Myriactis humilis
                                                   [Myriactis longipedunculata]
                                            Myriactis nepalensis
                                            Myriactis wallichii
                                    Myriocephalus
                                            Myriocephalus guerinae
                                    Myrovernix
                                            Myrovernix scaber
                                                   [Elytropappus scaber]
                                    Nananthea
                                            Nananthea perpusilla
                                    Nardophyllum
                                            Nardophyllum bryoides
                                                   [Nardophyllum humile]
                                                   [Nardophyllum obtusifolium]
                                            Nardophyllum chiliotrichoides
                                            Nardophyllum lanatum
                                                   [Nardophyllum revolutum]
                                    Narvalina
                                            Narvalina domingensis
                                    Neja
                                            Neja marginata
                                                   [Aster grisebachii]
                                            Neja pinifolia
                                                   [Hysterionica pinifolia]
                                    Nemosenecio
                                            Nemosenecio nikoensis
                                                   [Senecio nikoensis]
                                    Neobrachyactis
                                            Neobrachyactis anomala
                                                   [Brachyactis menthodora]
                                            Neobrachyactis pubescens
                                                   [Brachyactis robusta]
                                            Neobrachyactis roylei
                                                   [Brachyactis roylei]
                                                   [Brachyactis umbrosa]
                                    Neocuatrecasia
                                            Neocuatrecasia epapposa
                                            Neocuatrecasia tysonii
                                    Neomirandea
                                            Neomirandea araliifolia
                                                   [Eupatorium araliifolium]
                                            Neomirandea parasitica
                                                   [Eupatorium parasiticum]
                                            Neomirandea standleyi
                                                   [Eupatorium standleyi]
                                    Nestlera
                                            Nestlera minuta
                                    Nestotus
                                            Nestotus lanuginosus
                                                   [Haplopappus lanuginosus]
                                    Neurolaena
                                            Neurolaena lobata
                                                   [Pluchea symphytifolia]
                                            Neurolaena macrophylla
                                    Nicolasia
                                            Nicolasia costata
                                    Nicolletia
                                            Nicolletia edwardsii
                                            Nicolletia occidentalis
                                            Nicolletia trifida
                                    Nidorella
                                            Nidorella aegyptiaca
                                                   [Conyza aegyptiaca]
                                            Nidorella anomala
                                            Nidorella auriculata
                                            Nidorella burundiensis
                                            Nidorella nobrei
                                                   [Conyza feae]
                                            Nidorella obscura
                                                   [Conyza obscura]
                                            Nidorella pinnatifida
                                                   [Erigeron pinnatifidum]
                                            Nidorella undulata
                                            Nidorella varia
                                                   [Conyza varia]
                                            Nidorella welwitschii
                                                   [Conyza welwitschii]
                                    Nipponanthemum
                                            Nipponanthemum nipponicum
                                                   [Chrysanthemum nipponicum]
                                    Nivellea
                                            Nivellea nivellei
                                                   [Chrysanthemum nivellei]
                                    Nolletia
                                            Nolletia chrysocomoides
                                    Nordenstamia
                                            Nordenstamia limonensis
                                                   [Aequatorium limonense]
                                            Nordenstamia rimachiana
                                                   [Aequatorium rimachianum]
                                    Noticastrum
                                            Noticastrum adscendens
                                                   [Aster adscendens]
                                            Noticastrum diffusum
                                                   [Aster montevidensis]
                                            Noticastrum marginatum
                                                   [Aster marginatus]
                                            Noticastrum sericeum
                                                   [Aster haplopappus]
                                    Notopappus
                                            Notopappus pectinatus
                                                   [Haplopappus pectinatus]
                                    Oblivia
                                            Oblivia ceronii
                                    Oclemena
                                            Oclemena acuminata
                                                   [Aster acuminatus]
                                            Oclemena nemoralis
                                                   [Aster nemoralis]
                                            Oclemena reticulata
                                                   [Aster obovatus]
                                                   [Aster reticulatus]
                                            Oclemena × blakei
                                                   [Aster nemoralis var. blakei]
                                                   [Aster nemoralis var. major]
                                    Oedera
                                            Oedera acerosa
                                                   [Nestlera acerosa]
                                            Oedera capensis
                                                   [Oedera prolifera]
                                            Oedera humilis
                                                   [Nestlera humilis]
                                            Oedera pungens
                                              Oedera pungens subsp. pungens
                                                     [Relhania pungens]
                                              Oedera pungens subsp. trinervis
                                                     [Relhania trinervis]
                                            Oedera squarrosa
                                                   [Relhania squarrosa]
                                    Olearia
                                            Olearia albida
                                            Olearia allomii
                                            Olearia arborescens
                                                   [Olearia nitida]
                                            Olearia argophylla
                                            Olearia avicenniaefolia
                                            Olearia axillaris
                                            Olearia cheesemanii
                                                   [Olearia arborescens var. angustifolia]
                                            Olearia cymbifolia
                                            Olearia erubescens
                                            Olearia floribunda
                                            Olearia furfuracea
                                            Olearia hectori
                                            Olearia ilicifolia
                                                   [Olearia mollis]
                                            Olearia iodochroa
                                            Olearia lacunosa
                                            Olearia lineata
                                            Olearia lirata
                                            Olearia lyrata
                                            Olearia macrodonta
                                                   [Olearia dentata]
                                            Olearia megalophylla
                                            Olearia microphylla
                                            Olearia monticola
                                            Olearia nernstii
                                            Olearia nummularifolia
                                            Olearia odorata
                                            Olearia pachyphylla
                                            Olearia paniculata
                                                   [Olearia forsteri]
                                            Olearia persoonioides
                                            Olearia phlogopappa
                                              Olearia phlogopappa subsp. gunniana
                                                     [Olearia gunniana]
                                            Olearia pinifolia
                                            Olearia polita
                                            Olearia ramulosa
                                            Olearia rani
                                                   [Olearia cunninghamii]
                                            Olearia revoluta
                                            Olearia stellulata
                                            Olearia teretifolia
                                            Olearia tomentosa
                                            Olearia virgata
                                            Olearia viscidula
                                            Olearia viscosa
                                    Omalotheca
                                            Omalotheca hoppeana
                                              Omalotheca hoppeana subsp. hoppeana
                                                     [Gnaphalium supinum]
                                            Omalotheca norvegica
                                                   [Gnaphalium norvegicum]
                                            Omalotheca sylvatica
                                                   [Gnaphalium sylvaticum var. angustifolium]
                                                   [Gnaphalium sylvaticum]
                                    Oncosiphon
                                            Oncosiphon glabratum
                                                   [Matricaria glabrata]
                                            Oncosiphon grandiflorum
                                                   [Pentzia grandiflora]
                                            Oncosiphon piluliferum
                                                   [Pentzia globifera]
                                                   [Tanacetum globiferum]
                                            Oncosiphon suffruticosum
                                                   [Pentzia suffruticosa]
                                    Oonopsis
                                            Oonopsis engelmannii
                                                   [Haplopappus engelmannii]
                                            Oonopsis foliosa
                                                   [Haplopappus fremontii]
                                            Oonopsis multicaulis
                                                   [Haplopappus multicaulis]
                                    Ophryosporus
                                            Ophryosporus axilliflorus
                                            Ophryosporus bipinnatifidus
                                            Ophryosporus heptanthus
                                                   [Ophryosporus origanoides]
                                            Ophryosporus paradoxus
                                            Ophryosporus pinifolius
                                                   [Piqueria pinifolia]
                                            Ophryosporus piquerioides
                                            Ophryosporus triangularis
                                    Oreochrysum
                                            Oreochrysum parryi
                                                   [Haplopappus parryi]
                                    Oreostemma
                                            Oreostemma alpigenum
                                                   [Aster alpigenus]
                                              Oreostemma alpigenum var. andersonii
                                                     [Aster alpigenus subsp. andersonii]
                                                     [Aster andersonii]
                                              Oreostemma alpigenum var. haydenii
                                                     [Aster alpigenus var. haydenii]
                                    Oritrophium
                                            Oritrophium llanganatense
                                            Oritrophium nevadense
                                                   [Erigeron nevadensis]
                                            Oritrophium ollgaardii
                                            Oritrophium peruvianum
                                                   [Erigeron pellitus]
                                            Oritrophium repens
                                                   [Aster repens]
                                            Oritrophium tergoalbum
                                    Osmadenia
                                            Osmadenia tenella
                                                   [Hemizonia tenella]
                                    Osmitopsis
                                            Osmitopsis asteriscoides
                                    Osteospermum
                                            Osteospermum asperulum
                                            Osteospermum barberiae
                                            Osteospermum calendulaceum
                                            Osteospermum caulescens
                                            Osteospermum corymbosum
                                            Osteospermum dentatum
                                            Osteospermum ecklonis
                                                   [Dimorphotheca ecklonis]
                                            Osteospermum fruticosum
                                            Osteospermum hyoseroides
                                            Osteospermum ilicifolium
                                                   [Gibbaria ilicifolia]
                                            Osteospermum imbricatum
                                              Osteospermum imbricatum subsp. nervatum
                                            Osteospermum junceum
                                            Osteospermum leptolobum
                                            Osteospermum microphyllum
                                            Osteospermum moniliferum
                                                   [Chrysanthemoides monilifera subsp. monilifera]
                                              Osteospermum moniliferum subsp. moniliferum
                                                     [Chrysanthemoides monilifera]
                                            Osteospermum monocephalum
                                            Osteospermum monstrosum
                                                   [Osteospermum clandestinum]
                                            Osteospermum muricatum
                                            Osteospermum scariosum
                                            Osteospermum sinuatum
                                            Osteospermum spinescens
                                            Osteospermum spinosum
                                            Osteospermum thodei
                                            Osteospermum vaillantii
                                                   [Tripteris vaillantii]
                                    Oteiza
                                            Oteiza acuminata
                                                   [Calea elegans]
                                            Oteiza ruacophila
                                    Othonna
                                            Othonna amplexicaulis
                                            Othonna armiana
                                            Othonna carnosa
                                            Othonna coronopifolia
                                            Othonna crassifolia
                                            Othonna daucifolia
                                                   [Euryops abrotanifolius]
                                            Othonna dentata
                                            Othonna euphorbioides
                                            Othonna pavonia
                                            Othonna quinquedentata
                                            Othonna retrorsa
                                    Otopappus
                                            Otopappus brevipes
                                                   [Notoptera brevipes]
                                            Otopappus curviflorus
                                                   [Notoptera scabridula]
                                            Otopappus guatemalensis
                                                   [Notoptera gaumeri]
                                                   [Notoptera leptocephala]
                                            Otopappus hirsutus
                                                   [Notoptera hirsuta]
                                            Otopappus microcephalus
                                            Otopappus scaber
                                            Otopappus tequilanus
                                                   [Notoptera tequilana]
                                            Otopappus verbesinoides
                                                   [Otopappus trinervis]
                                    Oxylobus
                                            Oxylobus glanduliferus
                                    Oxypappus
                                            Oxypappus scaber
                                                   [Oxypappus seemannii]
                                    Oyedaea
                                            Oyedaea boliviana
                                            Oyedaea oxylepis
                                            Oyedaea verbesinoides
                                    Ozothamnus
                                            Ozothamnus adnatus
                                                   [Helichrysum adnatum]
                                            Ozothamnus diosmifolius
                                                   [Helichrysum diosmifolium]
                                            Ozothamnus hookeri
                                                   [Helichrysum hookeri]
                                            Ozothamnus ledifolius
                                                   [Helichrysum ledifolium]
                                            Ozothamnus leptophyllus
                                                   [Cassinia fulvida]
                                                   [Cassinia retorta]
                                                   [Cassinia vauvilliersii]
                                            Ozothamnus lycopodioides
                                                   [Helichrysum lycopodioides]
                                            Ozothamnus paralius
                                                   [Helichrysum paralium]
                                            Ozothamnus rosmarinifolius
                                            Ozothamnus rufescens
                                                   [Helichrysum rufescens]
                                            Ozothamnus scutellifolius
                                                   [Helichrysum scutellifolium]
                                            Ozothamnus thyrsoideus
                                                   [Helichrysum thyrsoideum]
                                            Ozothamnus vagans
                                                   [Helichrysum vagans]
                                    Pachystegia
                                            Pachystegia insignis
                                    Packera
                                            Packera actinella
                                                   [Senecio actinella]
                                            Packera anonyma
                                                   [Senecio anonymus]
                                                   [Senecio smallii]
                                            Packera antennariifolia
                                                   [Senecio antennariifolius]
                                            Packera aurea
                                                   [Senecio aureus var. intercursus]
                                            Packera bolanderi
                                                   [Senecio bolanderi]
                                              Packera bolanderi var. harfordii
                                                     [Senecio harfordii]
                                            Packera breweri
                                                   [Senecio breweri]
                                            Packera cana
                                                   [Senecio harbourii]
                                                   [Senecio howellii]
                                                   [Senecio oreopolus]
                                                   [Senecio purshianus]
                                            Packera coahuilensis
                                                   [Senecio cyclophyllus]
                                                   [Senecio hypotrichus]
                                            Packera crocata
                                                   [Senecio crocatus]
                                            Packera cymbalaria
                                                   [Senecio resedifolius]
                                            Packera dimorphophylla
                                                   [Senecio dimorphophyllus]
                                              Packera dimorphophylla var. intermedia
                                                     [Senecio dimorphophyllus var. intermedius]
                                            Packera eurycephala
                                                   [Senecio eurycephalus]
                                              Packera eurycephala var. lewisrosei
                                                     [Senecio lewisrosei]
                                            Packera fendleri
                                                   [Senecio fendleri]
                                            Packera flettii
                                                   [Senecio flettii]
                                            Packera franciscana
                                                   [Senecio franciscanus]
                                            Packera glabella
                                                   [Senecio lobatus]
                                            Packera greenei
                                                   [Senecio greenei]
                                            Packera hartiana
                                                   [Senecio hartianus]
                                            Packera hyperborealis
                                                   [Senecio hyperborealis]
                                            Packera indecora
                                                   [Senecio burkei]
                                            Packera ionophylla
                                                   [Senecio ionophyllus]
                                            Packera layneae
                                                   [Senecio layneae]
                                            Packera millefolia
                                                   [Senecio millefolium]
                                            Packera multilobata
                                                   [Senecio leucoreus]
                                                   [Senecio lynceus]
                                                   [Senecio multilobatus]
                                                   [Senecio stygius]
                                                   [Senecio uintahensis]
                                            Packera neomexicana
                                                   [Senecio neomexicanus]
                                              Packera neomexicana var. mutabilis
                                                     [Senecio mutabilis]
                                            Packera obovata
                                                   [Senecio rotundus]
                                            Packera paupercula
                                                   [Senecio pauperculus]
                                                   [Senecio tweedyi]
                                              Packera paupercula var. pseudotomentosa
                                                     [Senecio pseudotomentosus]
                                            Packera plattensis
                                                   [Senecio plattensis]
                                            Packera pseudaurea
                                              Packera pseudaurea subsp. pseudaurea
                                                     [Senecio pseudaureus]
                                            Packera quebradensis
                                                   [Senecio quebradensis]
                                            Packera quercetorum
                                                   [Senecio quercetorum]
                                            Packera sanguisorbae
                                                   [Senecio sanguisorbae]
                                            Packera sanguisorboides
                                                   [Senecio sanguisorboides]
                                            Packera scalaris
                                                   [Senecio scalaris]
                                            Packera schweinitziana
                                                   [Senecio robbinsii]
                                            Packera streptanthifolia
                                                   [Senecio cymbalarioides var. borealis]
                                                   [Senecio laetiflorus]
                                                   [Senecio oodes]
                                                   [Senecio pammelii]
                                                   [Senecio platylobus]
                                                   [Senecio rubricaulis]
                                                   [Senecio rydbergii]
                                                   [Senecio suksdorfii]
                                            Packera tampicana
                                                   [Senecio imparipinnatus]
                                                   [Senecio tampicanus]
                                            Packera toluccana
                                                   [Senecio toluccanus]
                                            Packera tridenticulata
                                                   [Senecio densus]
                                                   [Senecio tridenticulatus]
                                            Packera werneriifolia
                                                   [Senecio petrocallis]
                                                   [Senecio saxosus]
                                    Palafoxia
                                            Palafoxia arenaria
                                            Palafoxia callosa
                                                   [Polypteris callosa]
                                            Palafoxia feayi
                                            Palafoxia hookeriana
                                            Palafoxia integrifolia
                                            Palafoxia linearis
                                                   [Palafoxia leucophylla]
                                            Palafoxia reverchonii
                                            Palafoxia rosea
                                                   [Othake macrolepis]
                                                   [Othake roseum]
                                            Palafoxia sphacelata
                                                   [Othake sphacelata]
                                            Palafoxia texana
                                                   [Othake texanum]
                                                   [Palafoxia texana var. ambigua]
                                                   [Polypteris texana]
                                    Pallenis
                                            Pallenis maritima
                                              Pallenis maritima subsp. maritima
                                                     [Odontospermum maritimum]
                                            Pallenis spinosa
                                    Pappobolus
                                            Pappobolus argenteus
                                            Pappobolus ecuadoriensis
                                            Pappobolus juncosae
                                            Pappobolus macranthus
                                            Pappobolus nigrescens
                                            Pappobolus sanchezii
                                    Pappochroma
                                            Pappochroma bellidioides
                                                   [Erigeron bellidioides]
                                    Paragynoxys
                                            Paragynoxys regis
                                            Paragynoxys uribei
                                    Parasenecio
                                            Parasenecio auriculatus
                                            Parasenecio farfarifolius
                                              Parasenecio farfarifolius var. bulbiferus
                                            Parasenecio hastatus
                                                   [Cacalia hastata]
                                            Parasenecio kamtschaticus
                                                   [Cacalia auriculata var. kamtschatica]
                                            Parasenecio nikomontana
                                                   [Cacalia nikomontana]
                                            Parasenecio nikomontanus
                                            Parasenecio rubescens
                                                   [Cacalia rubescens]
                                    Parastrephia
                                            Parastrephia quadrangularis
                                                   [Lepidophyllum quadrangulare]
                                            Parastrephia teretiuscula
                                    Parthenice
                                            Parthenice mollis
                                    Parthenium
                                            Parthenium alpinum
                                            Parthenium argentatum
                                            Parthenium auriculatum
                                            Parthenium bipinnatifidum
                                            Parthenium confertum
                                              Parthenium confertum var. lyratum
                                                     [Parthenium lyratum]
                                            Parthenium fruticosum
                                            Parthenium hispidum
                                                   [Parthenium repens]
                                            Parthenium hysterophorus
                                            Parthenium incanum
                                            Parthenium integrifolium
                                            Parthenium schottii
                                            Parthenium tomentosum
                                              Parthenium tomentosum var. stramonium
                                                     [Parthenium stramonium]
                                    Pascalia
                                            Pascalia glauca
                                                   [Wedelia copiapina]
                                                   [Wedelia glauca]
                                    Pectis
                                            Pectis angustifolia
                                            Pectis barberi
                                            Pectis bonplandiana
                                                   [Pectis swartziana]
                                            Pectis brevipedunculata
                                                   [Pectis apodocephala]
                                            Pectis carthusianorum
                                            Pectis caymanensis
                                              Pectis caymanensis var. robusta
                                            Pectis ciliaris
                                            Pectis coulteri
                                            Pectis cylindrica
                                            Pectis elongata
                                            Pectis filipes
                                            Pectis glaucescens
                                                   [Pectis leptocephala]
                                            Pectis harryi
                                            Pectis humifusa
                                            Pectis imberbis
                                            Pectis incisifolia
                                            Pectis linearifolia
                                            Pectis linearis
                                                   [Pectis schottii]
                                            Pectis linifolia
                                            Pectis longipes
                                            Pectis multiflosculosa
                                                   [Pectis arenaria]
                                            Pectis multiseta
                                              Pectis multiseta var. ambigua
                                                     [Pectis ambigua]
                                            Pectis odorata
                                            Pectis oligocephala
                                            Pectis papposa
                                            Pectis pringlei
                                            Pectis propetes
                                            Pectis prostrata
                                                   [Pectis urceolata]
                                            Pectis punctata
                                            Pectis purpurea
                                            Pectis pygmaea
                                            Pectis rusbyi
                                                   [Pectis mearnsii]
                                                   [Pectis palmeri]
                                            Pectis samanensis
                                            Pectis saturejoides
                                            Pectis sessiliflora
                                            Pectis sinaloensis
                                            Pectis stenophylla
                                              Pectis stenophylla var. puberula
                                                     [Pectis puberula]
                                                     [Pectis scabra]
                                            Pectis tenella
                                            Pectis uniaristata
                                              Pectis uniaristata var. holostemma
                                                     [Pectis dichotoma]
                                    Pelucha
                                            Pelucha trifida
                                    Pentacalia
                                            Pentacalia andrei
                                                   [Pentacalia lanceolifolia]
                                            Pentacalia candelariae
                                                   [Senecio candelariae]
                                            Pentacalia carchiensis
                                            Pentacalia carmelana
                                            Pentacalia cazaletii
                                            Pentacalia corazonensis
                                            Pentacalia desiderabilis
                                                   [Senecio desiderabilis]
                                                   [Senecio ellipticus]
                                            Pentacalia diamantensis
                                            Pentacalia divisoria
                                            Pentacalia dorrii
                                            Pentacalia gibbiflora
                                            Pentacalia hillii
                                            Pentacalia hurtadoi
                                            Pentacalia lewisii
                                            Pentacalia luteynorum
                                            Pentacalia millei
                                            Pentacalia moronensis
                                            Pentacalia napoensis
                                            Pentacalia pailasensis
                                            Pentacalia palaciosii
                                            Pentacalia phanerandra
                                                   [Senecio phanerandrus]
                                            Pentacalia ricoensis
                                            Pentacalia riotintis
                                            Pentacalia robertii
                                            Pentacalia ruficaulis
                                            Pentacalia sevillana
                                            Pentacalia streptothamna
                                                   [Senecio streptothamnus]
                                            Pentacalia trianae
                                                   [Senecio tamaensis]
                                            Pentacalia yanetharum
                                            Pentacalia zakii
                                            Pentacalia zamorana
                                    Pentachaeta
                                            Pentachaeta alsinoides
                                            Pentachaeta aurea
                                            Pentachaeta bellidiflora
                                            Pentachaeta exilis
                                              Pentachaeta exilis subsp. exilis
                                                     [Pentachaeta aphantochaeta]
                                            Pentachaeta lyonii
                                    Pentanema
                                            Pentanema aschersonianum
                                                   [Inula aschersoniana]
                                            Pentanema britannicum
                                                   [Inula britannica]
                                                   [Inula orientalis]
                                            Pentanema caspicum
                                                   [Inula falconeri]
                                            Pentanema confertiflorum
                                                   [Inula confertiflora]
                                            Pentanema ensifolium
                                                   [Inula ensifolia]
                                            Pentanema oculus-christi
                                                   [Inula sericea]
                                            Pentanema salicinum
                                              Pentanema salicinum subsp. asperum
                                                     [Inula aspera]
                                              Pentanema salicinum subsp. salicinum
                                                     [Inula cordata]
                                                     [Inula glabra]
                                                     [Inula salicina var. asiatica]
                                                     [Inula salicina]
                                                     [Inula squarrosa]
                                    Pentzia
                                            Pentzia cooperi
                                            Pentzia globosa
                                            Pentzia incana
                                                   [Pentzia virgata]
                                            Pentzia punctata
                                    Pericallis
                                            Pericallis cruenta
                                                   [Cineraria cruenta]
                                            Pericallis hadrosoma
                                            Pericallis malvifolia
                                    Pericome
                                            Pericome caudata
                                    Perityle
                                            Perityle aglossa
                                            Perityle angustifolia
                                            Perityle aurea
                                            Perityle californica
                                            Perityle ciliata
                                            Perityle cinerea
                                            Perityle cordifolia
                                            Perityle coronopifolia
                                            Perityle crassifolia
                                              Perityle crassifolia var. robusta
                                                     [Perityle robusta]
                                            Perityle dissecta
                                                   [Laphamia dissecta]
                                            Perityle emoryi
                                                   [Perityle discoidea]
                                                   [Perityle emoryi var. elata]
                                                   [Perityle grayi]
                                            Perityle fitchii
                                            Perityle gilensis
                                                   [Laphamia gilensis]
                                            Perityle gracilis
                                                   [Laphamia fastigiata]
                                            Perityle incana
                                            Perityle jaliscana
                                            Perityle leptoglossa
                                            Perityle lindheimeri
                                                   [Laphamia lindheimeri]
                                            Perityle lloydii
                                            Perityle microglossa
                                                   [Perityle plumigera]
                                                   [Perityle spilanthoides]
                                              Perityle microglossa var. saxosa
                                                     [Perityle saxosa]
                                            Perityle parryi
                                            Perityle quinqueflora
                                            Perityle rupestris
                                              Perityle rupestris var. albiflora
                                            Perityle saxicola
                                                   [Laphamia saxicola]
                                            Perityle socorrosensis
                                    Perymeniopsis
                                            Perymeniopsis ovalifolia
                                                   [Oyedaea ovalifolia]
                                    Perymenium
                                            Perymenium colombianum
                                            Perymenium featherstonei
                                            Perymenium hintonii
                                            Perymenium hondurense
                                            Perymenium jelskii
                                                   [Perymenium ecuadoricum]
                                            Perymenium mendezii
                                    Petasites
                                            Petasites frigidus
                                                   [Petasites hyperboreus]
                                                   [Petasites nivalis]
                                              Petasites frigidus var. palmatus
                                                     [Petasites palmatus]
                                                     [Petasites speciosus]
                                              Petasites frigidus var. sagittatus
                                                     [Petasites sagittatus]
                                            Petasites hybridus
                                              Petasites hybridus subsp. hybridus
                                                     [Petasites vulgaris]
                                            Petasites japonicus
                                              Petasites japonicus subsp. giganteus
                                              Petasites japonicus var. giganteus
                                            Petasites kablikianus
                                            Petasites niveus
                                            Petasites paradoxus
                                            Petasites radiatus
                                            Petasites spurius
                                                   [Petasites tomentosus]
                                            Petasites tricholobus
                                    Petradoria
                                            Petradoria pumila
                                                   [Solidago petradoria]
                                              Petradoria pumila var. graminea
                                                     [Solidago graminea]
                                    Petrobium
                                            Petrobium arboreum
                                    Peucephyllum
                                            Peucephyllum schottii
                                    Phaenocoma
                                            Phaenocoma prolifera
                                    Phagnalon
                                            Phagnalon melanoleucum
                                            Phagnalon murbeckii
                                            Phagnalon nitidum
                                            Phagnalon niveum
                                            Phagnalon rupestre
                                            Phagnalon saxatile
                                            Phagnalon sordidum
                                                   [Conyza sordida]
                                    Phalacraea
                                            Phalacraea ecuadorensis
                                    Philactis
                                    Phoebanthus
                                            Phoebanthus grandiflorus
                                            Phoebanthus tenuifolia
                                                   [Helianthella tenuifolia]
                                            Phoebanthus tenuifolius
                                    Picradeniopsis
                                            Picradeniopsis absinthifolia
                                                   [Bahia absinthifolia var. dealbata]
                                                   [Bahia absinthifolia]
                                            Picradeniopsis bigelovii
                                                   [Bahia bigelovii]
                                            Picradeniopsis multiflora
                                                   [Bahia neomexicana]
                                            Picradeniopsis oppositifolia
                                                   [Bahia oppositifolia]
                                            Picradeniopsis woodhousei
                                                   [Bahia woodhousei]
                                            Picradeniopsis xylopoda
                                                   [Bahia xylopoda]
                                    Piqueria
                                            Piqueria peruviana
                                            Piqueria pilosa
                                            Piqueria serrata
                                            Piqueria triflora
                                            Piqueria trinervia
                                            Piqueria trinervis
                                    Pittocaulon
                                            Pittocaulon bombycophole
                                                   [Senecio bombycopholis]
                                            Pittocaulon praecox
                                                   [Senecio praecox]
                                    Pityopsis
                                            Pityopsis aspera
                                                   [Chrysopsis adenolepis]
                                            Pityopsis falcata
                                                   [Chrysopsis falcata]
                                            Pityopsis flexuosa
                                                   [Chrysopsis flexuosa]
                                            Pityopsis graminifolia
                                                   [Chrysopsis correllii]
                                                   [Chrysopsis graminifolia]
                                                   [Chrysopsis nervosa var. stenolepis]
                                                   [Chrysopsis nervosa]
                                                   [Heterotheca graminifolia]
                                                   [Heterotheca nervosa]
                                            Pityopsis latifolia
                                                   [Chrysopsis latifolia]
                                            Pityopsis oligantha
                                                   [Chrysopsis oligantha]
                                            Pityopsis ruthii
                                            Pityopsis tenuifolia
                                                   [Chrysopsis microcephala]
                                            Pityopsis tracyi
                                                   [Chrysopsis tracyi]
                                    Pladaroxylon
                                            Pladaroxylon leucadendron
                                    Plagiocheilus
                                            Plagiocheilus ciliaris
                                            Plagiocheilus peduncularis
                                    Plagiolophus
                                            Plagiolophus millspaughii
                                    Plagius
                                            Plagius flosculosus
                                                   [Chrysanthemum flosculosum]
                                    Platyschkuhria
                                            Platyschkuhria integrifolia
                                                   [Bahia nudicaulis]
                                                   [Bahia oblongifolia]
                                                   [Bahia ourolepis]
                                    Plecostachys
                                            Plecostachys serpyllifolia
                                                   [Helichrysum orbiculare]
                                    Pleurocoronis
                                            Pleurocoronis gentryi
                                            Pleurocoronis laphamioides
                                            Pleurocoronis pluriseta
                                                   [Hofmeisteria pluriseta]
                                    Pluchea
                                            Pluchea arguta
                                            Pluchea baccharis
                                                   [Pluchea rosea]
                                            Pluchea camphorata
                                            Pluchea carolinensis
                                            Pluchea chingoyo
                                            Pluchea dioscoridis
                                            Pluchea eupatorioides
                                            Pluchea foetida
                                                   [Pluchea bifrons]
                                            Pluchea glutinosa
                                            Pluchea indica
                                            Pluchea lanceolata
                                            Pluchea microcephala
                                            Pluchea oblongifolia
                                            Pluchea obovata
                                            Pluchea odorata
                                            Pluchea ovalis
                                            Pluchea paniculata
                                                   [Blumea membranacea]
                                            Pluchea pteropoda
                                            Pluchea purpurascens
                                            Pluchea rufescens
                                            Pluchea sagittalis
                                                   [Pluchea suaveolens]
                                            Pluchea salicifolia
                                                   [Pluchea parvifolia]
                                            Pluchea sericea
                                                   [Tessaria borealis]
                                    Podachaenium
                                            Podachaenium chiapanum
                                            Podachaenium eminens
                                            Podachaenium salvadorense
                                            Podachaenium standleyi
                                    Podanthus
                                            Podanthus mitiqui
                                    Podolepis
                                            Podolepis hieracioides
                                            Podolepis jaceoides
                                                   [Podolepis acuminata]
                                    Podotheca
                                            Podotheca angustifolia
                                    Pojarkovia
                                            Pojarkovia pojarkovae
                                                   [Senecio pojarkovae]
                                    Polyanthina
                                            Polyanthina nemorosa
                                                   [Eupatorium nemorosum]
                                    Polycalymma
                                            Polycalymma stuartii
                                                   [Myriocephalus stuartii]
                                    Polymnia
                                            Polymnia canadensis
                                            Polymnia cossatotensis
                                            Polymnia laevigata
                                            Polypteris integrifolia
                                            Polypteris sphacelata
                                    Porophyllum
                                            Porophyllum coloratum
                                                   [Porophyllum seemannii]
                                            Porophyllum filifolium
                                            Porophyllum gracile
                                                   [Porophyllum leucospermum]
                                            Porophyllum greggii
                                            Porophyllum lanceolatum
                                            Porophyllum linaria
                                            Porophyllum obscurum
                                            Porophyllum pausodynum
                                            Porophyllum punctatum
                                                   [Porophyllum oblongum]
                                            Porophyllum ruderale
                                              Porophyllum ruderale var. macrocephalum
                                                     [Porophyllum macrocephalum]
                                            Porophyllum scoparium
                                            Porophyllum viridiflorum
                                    Praxelis
                                            Praxelis chiquitensis
                                            Praxelis kleinioides
                                                   [Eupatorium kleinioides]
                                            Praxelis porophylloides
                                    Printzia
                                            Printzia aromatica
                                            Printzia polifolia
                                    Psacalium
                                            Psacalium goldsmithii
                                                   [Odontotrichum goldsmithii]
                                            Psacalium peltigerum
                                    Psathyrotes
                                            Psathyrotes annua
                                            Psathyrotes pilifera
                                            Psathyrotes ramosissima
                                    Psathyrotopsis
                                            Psathyrotopsis scaposa
                                                   [Psathyrotes scaposa]
                                    Pseudobaccharis
                                            Pseudobaccharis spartioides
                                    Pseudobahia
                                            Pseudobahia bahiifolia
                                            Pseudobahia peirsonii
                                    Pseudoclappia
                                            Pseudoclappia arenaria
                                    Pseudoconyza
                                            Pseudoconyza viscosa
                                                   [Conyza lyrata]
                                    Pseudognaphalium
                                            Pseudognaphalium affine
                                                   [Gnaphalium multiceps]
                                            Pseudognaphalium aldunateoides
                                                   [Gnaphalium aldunateoides]
                                            Pseudognaphalium arizonicum
                                                   [Gnaphalium arizonicum]
                                            Pseudognaphalium attenuatum
                                                   [Gnaphalium attenuatum]
                                            Pseudognaphalium beneolens
                                                   [Gnaphalium beneolens]
                                            Pseudognaphalium californicum
                                                   [Gnaphalium californicum]
                                            Pseudognaphalium canescens
                                                   [Gnaphalium canescens]
                                                   [Gnaphalium wrightii]
                                            Pseudognaphalium cheiranthifolium
                                                   [Gnaphalium ecuadorense]
                                            Pseudognaphalium cymatoides
                                                   [Gnaphalium cheiranthifolium]
                                            Pseudognaphalium eggersii
                                                   [Gnaphalium eggersii]
                                            Pseudognaphalium ehrenbergianum
                                                   [Gnaphalium ehrenbergianum]
                                            Pseudognaphalium gaudichaudianum
                                                   [Gnaphalium gaudichaudianum]
                                                   [Gnaphalium mandonii]
                                                   [Gnaphalium sodiroi]
                                            Pseudognaphalium gayanum
                                                   [Gnaphalium heterotrichum]
                                                   [Gnaphalium leucocephalum]
                                            Pseudognaphalium hypoleucum
                                                   [Gnaphalium hypoleucum]
                                            Pseudognaphalium leucocephalum
                                            Pseudognaphalium macounii
                                                   [Gnaphalium macounii]
                                            Pseudognaphalium microcephalum
                                                   [Gnaphalium microcephalum]
                                            Pseudognaphalium montevidense
                                                   [Gnaphalium chilense]
                                                   [Gnaphalium montevidense]
                                                   [Gnaphalium sprengelii]
                                            Pseudognaphalium obtusifolium
                                            Pseudognaphalium oxyphyllum
                                                   [Gnaphalium oxyphyllum]
                                            Pseudognaphalium pringlei
                                                   [Gnaphalium pringlei]
                                            Pseudognaphalium purpurascens
                                                   [Gnaphalium purpurascens]
                                            Pseudognaphalium roseum
                                                   [Gnaphalium roseum]
                                            Pseudognaphalium sandwicensium
                                                   [Gnaphalium sandwicensium]
                                              Pseudognaphalium sandwicensium var. molokaiense
                                            Pseudognaphalium semiamplexicaule
                                                   [Gnaphalium semiamplexicaule]
                                            Pseudognaphalium stramineum
                                                   [Gnaphalium sulphurescens]
                                            Pseudognaphalium tarapacanum
                                                   [Gnaphalium tarapacanum]
                                            Pseudognaphalium viravira
                                                   [Gnaphalium coquimbense]
                                                   [Gnaphalium illapelinum]
                                            Pseudognaphalium viscosum
                                                   [Gnaphalium leptophyllum]
                                    Pseudogynoxys
                                            Pseudogynoxys bogotensis
                                            Pseudogynoxys chenopodioides
                                                   [Senecio confusus]
                                            Pseudogynoxys cumingii
                                                   [Senecio hoffmannii]
                                            Pseudogynoxys engleri
                                            Pseudogynoxys haenkei
                                                   [Senecio kermesinus]
                                            Pseudogynoxys sodiroi
                                    Psiadia
                                            Psiadia cataractae
                                            Psiadia punctulata
                                                   [Psiadia arabica]
                                            Psiadia schweinfurthii
                                    Psilactis
                                            Psilactis asteroides
                                    Psilocarphus
                                            Psilocarphus brevissimus
                                              Psilocarphus brevissimus var. brevissimus
                                            Psilocarphus elatior
                                            Psilocarphus globiferus
                                            Psilocarphus oregonus
                                            Psilocarphus tenellus
                                              Psilocarphus tenellus var. globiferus
                                                     [Psilocarphus berteri]
                                                     [Psilocarphus chilensis]
                                    Psilostrophe
                                            Psilostrophe bakeri
                                            Psilostrophe cooperi
                                            Psilostrophe divaricata
                                            Psilostrophe gnaphalodes
                                            Psilostrophe lanata
                                            Psilostrophe sparsiflora
                                            Psilostrophe tagetina
                                                   [Psilostrophe grandiflora]
                                            Psilostrophe villosa
                                                   [Psilostrophe tagetina var. cerifera]
                                    Psychrogeton
                                            Psychrogeton andryaloides
                                                   [Erigeron andryaloides]
                                    Pterocaulon
                                            Pterocaulon alopecuroides
                                                   [Pterocaulon interruptum]
                                            Pterocaulon angustifolium
                                            Pterocaulon lorentzii
                                            Pterocaulon polystachyum
                                            Pterocaulon purpurascens
                                            Pterocaulon virgatum
                                                   [Conyza spicata]
                                                   [Pterocaulon subvirgatum]
                                    Pteronia
                                            Pteronia adenocarpa
                                            Pteronia camphorata
                                              Pteronia camphorata var. longifolia
                                            Pteronia flexicaulis
                                            Pteronia hirsuta
                                            Pteronia incana
                                            Pteronia membranacea
                                            Pteronia pallens
                                            Pteronia paniculata
                                            Pteronia teretifolia
                                    Pulicaria
                                            Pulicaria angustifolia
                                            Pulicaria arabica
                                            Pulicaria aromatica
                                            Pulicaria diffusa
                                            Pulicaria dioscorides
                                            Pulicaria dysenterica
                                            Pulicaria filaginoides
                                            Pulicaria mauritanica
                                            Pulicaria odora
                                            Pulicaria scabra
                                            Pulicaria sicula
                                            Pulicaria uliginosa
                                            Pulicaria undulata
                                              Pulicaria undulata subsp. undulata
                                                     [Pulicaria crispa]
                                            Pulicaria vieraeoides
                                            Pulicaria vulgaris
                                              Pulicaria vulgaris subsp. vulgaris
                                                     [Pulicaria prostrata]
                                            Pyrethrum argenteum
                                            Pyrethrum corymbosum
                                            Pyrethrum roseum
                                    Pyrrocoma
                                            Pyrrocoma carthamoides
                                                   [Haplopappus carthamoides subsp. rigidus]
                                                   [Haplopappus carthamoides]
                                            Pyrrocoma clementis
                                                   [Haplopappus clementis]
                                            Pyrrocoma crocea
                                                   [Haplopappus croceus]
                                            Pyrrocoma integrifolia
                                                   [Haplopappus integrifolius]
                                            Pyrrocoma lanceolata
                                                   [Haplopappus lanceolatus]
                                                   [Haplopappus tenuicaulis]
                                            Pyrrocoma racemosa
                                                   [Haplopappus racemosus]
                                            Pyrrocoma uniflora
                                                   [Haplopappus inuloides]
                                                   [Haplopappus uniflorus]
                                    Radlkoferotoma
                                            Radlkoferotoma berroi
                                                   [Carelia berroi]
                                    Raillardella
                                            Raillardella argentea
                                            Raillardella pringlei
                                            Raillardella scaposa
                                    Rainiera
                                            Rainiera stricta
                                                   [Luina stricta]
                                    Raoulia
                                            Raoulia apice-nigra
                                            Raoulia australis
                                            Raoulia grandiflora
                                            Raoulia hookeri
                                            Raoulia subsericea
                                            Raoulia subulata
                                            Raoulia tenuicaulis
                                    Ratibida
                                            Ratibida columnifera
                                                   [Ratibida columnaris]
                                                   [Ratibida columnifera f. pulcherrima]
                                            Ratibida mexicana
                                            Ratibida peduncularis
                                              Ratibida peduncularis var. picta
                                                     [Ratibida picta]
                                            Ratibida pinnata
                                            Ratibida tagetes
                                    Raulinoreitzia
                                            Raulinoreitzia crenulata
                                                   [Ageratina dendroides]
                                            Raulinoreitzia tremula
                                                   [Eupatorium tremulum]
                                    Rayjacksonia
                                            Rayjacksonia annua
                                                   [Haplopappus annuus]
                                            Rayjacksonia aurea
                                                   [Machaeranthera aurea]
                                            Rayjacksonia phyllocephala
                                                   [Haplopappus phyllocephalus]
                                                   [Haplopappus rubiginosus]
                                                   [Machaeranthera phyllocephala var. megacephala]
                                                   [Machaeranthera phyllocephala]
                                    Remya
                                            Remya kauaiensis
                                            Remya mauiensis
                                            Remya montgomeryi
                                    Rensonia
                                            Rensonia salvadorica
                                    Rhinactinidia
                                            Rhinactinidia eremophila
                                                   [Krylovia eremophila]
                                    Rhodanthe
                                            Rhodanthe anthemoides
                                                   [Helipterum anthemoides]
                                            Rhodanthe chlorocephala
                                              Rhodanthe chlorocephala subsp. chlorocephala
                                                     [Helipterum chlorocephalum]
                                              Rhodanthe chlorocephala subsp. rosea
                                                     [Helipterum roseum]
                                            Rhodanthe manglesii
                                                   [Helipterum manglesii]
                                            Rhodanthe polyphylla
                                                   [Helipterum polyphyllum]
                                    Rhodanthemum
                                            Rhodanthemum gayanum
                                              Rhodanthemum gayanum subsp. demnatense
                                                     [Chrysanthemum demnatense]
                                              Rhodanthemum gayanum subsp. gayanum
                                                     [Chrysanthemum mawii]
                                    Rhynchospermum
                                            Rhynchospermum verticillatum
                                    Richteria
                                            Richteria pyrethroides
                                                   [Chrysanthemum richteria]
                                    Rigiopappus
                                            Rigiopappus leptocladus
                                    Robinsonia
                                            Robinsonia berteroi
                                    Rochonia
                                            Rochonia antandroy
                                            Rochonia cuneata
                                    Rockhausenia
                                            Rockhausenia glaberrima
                                                   [Werneria glaberrima]
                                            Rockhausenia staticifolia
                                                   [Werneria staticifolia]
                                    Rojasianthe
                                            Rojasianthe superba
                                    Roldana
                                            Roldana angulifolia
                                                   [Senecio angulifolius]
                                            Roldana barba-johannis
                                                   [Senecio barba-johannis]
                                            Roldana candicans
                                                   [Quercus candicans]
                                            Roldana chapalensis
                                                   [Senecio chapalensis]
                                            Roldana cristobalensis
                                                   [Senecio cristobalensis]
                                            Roldana eriophylla
                                            Roldana gentryi
                                            Roldana greenmanii
                                            Roldana hartwegii
                                                   [Senecio hartwegii]
                                                   [Senecio seemannii]
                                            Roldana heracleifolia
                                                   [Senecio heracleifolius]
                                            Roldana langlassei
                                                   [Senecio langlassei]
                                            Roldana lanicaulis
                                                   [Senecio lanicaulis]
                                            Roldana lobata
                                                   [Senecio roldana]
                                            Roldana mexicana
                                                   [Senecio mexicanus]
                                            Roldana neogibsonii
                                            Roldana petasitis
                                                   [Senecio petasitis]
                                              Roldana petasitis var. sartorii
                                                     [Senecio sartorii]
                                            Roldana platanifolia
                                                   [Senecio platanifolius]
                                            Roldana schaffneri
                                                   [Senecio santarosae]
                                                   [Senecio schaffneri]
                                    Rudbeckia
                                            Rudbeckia alpicola
                                            Rudbeckia amplexicaulis
                                                   [Dracopis amplexicaulis]
                                            Rudbeckia californica
                                            Rudbeckia deamii
                                            Rudbeckia fulgida
                                              Rudbeckia fulgida var. fulgida
                                              Rudbeckia fulgida var. speciosa
                                            Rudbeckia graminifolia
                                            Rudbeckia grandiflora
                                            Rudbeckia heliopsidis
                                            Rudbeckia heterophylla
                                            Rudbeckia hirta
                                                   [Rudbeckia amplectens]
                                                   [Rudbeckia brittonii]
                                                   [Rudbeckia monticola]
                                              Rudbeckia hirta var. angustifolia
                                                     [Rudbeckia divergens]
                                              Rudbeckia hirta var. floridana
                                                     [Rudbeckia floridana]
                                              Rudbeckia hirta var. pulcherrima
                                                     [Rudbeckia bicolor]
                                                     [Rudbeckia hirta var. serotina]
                                            Rudbeckia laciniata
                                              Rudbeckia laciniata var. ampla
                                                     [Rudbeckia ampla]
                                            Rudbeckia maxima
                                            Rudbeckia missouriensis
                                            Rudbeckia mohrii
                                            Rudbeckia mollis
                                            Rudbeckia nitida
                                              Rudbeckia nitida var. texana
                                            Rudbeckia occidentalis
                                            Rudbeckia palustris
                                                   [Rudbeckia fulgida var. palustris]
                                            Rudbeckia serotina
                                            Rudbeckia spathulata
                                            Rudbeckia speciosa
                                            Rudbeckia subtomentosa
                                            Rudbeckia sullivantii
                                            Rudbeckia triloba
                                                   [Rudbeckia beadlei]
                                            Rudbeckia umbrosa
                                                   [Rudbeckia fulgida var. umbrosa]
                                    Rumfordia
                                            Rumfordia floribunda
                                    Rutidosis
                                            Rutidosis helichrysoides
                                    Sabazia
                                            Sabazia humilis
                                            Sabazia sarmentosa
                                    Salmea
                                            Salmea palmeri
                                            Salmea scandens
                                                   [Melanthera amellus]
                                    Santolina
                                            Santolina africana
                                            Santolina chamaecyparissus
                                              Santolina chamaecyparissus subsp. chamaecyparissus
                                                     [Santolina villosa]
                                              Santolina chamaecyparissus subsp. tomentosa
                                            Santolina decumbens
                                                   [Santolina incana]
                                            Santolina elegans
                                            Santolina neapolitana
                                            Santolina pectinata
                                            Santolina rosmarinifolia
                                            Santolina squarrosa
                                            Santolina virens
                                                   [Santolina viridis]
                                    Sanvitalia
                                            Sanvitalia angustifolia
                                            Sanvitalia procumbens
                                                   [Sanvitalia acinifolia]
                                            Sanvitalia versicolor
                                    Sartwellia
                                            Sartwellia flaveriae
                                            Sartwellia humilis
                                            Sartwellia mexicana
                                    Scabrethia
                                            Scabrethia scabra
                                              Scabrethia scabra subsp. scabra
                                                     [Wyethia scabra]
                                    Schistocarpha
                                            Schistocarpha bicolor
                                            Schistocarpha eupatorioides
                                                   [Schistocarpha oppositifolia]
                                    Schistostephium
                                            Schistostephium crataegifolium
                                            Schistostephium flabelliforme
                                            Schistostephium oxylobum
                                    Schkuhria
                                            Schkuhria pinnata
                                                   [Schkuhria abrotanoides]
                                                   [Schkuhria hopkirkia]
                                                   [Schkuhria octoaristata]
                                              Schkuhria pinnata var. wislizenii
                                                     [Schkuhria pinnata var. virgata]
                                                     [Schkuhria virgata]
                                                     [Schkuhria wrightii]
                                            Schkuhria schkuhrioides
                                                   [Bahia schkuhrioides]
                                                   [Schkuhria senecioides]
                                            Schkuhria wislizeni
                                    Schoenia
                                            Schoenia cassiniana
                                                   [Helichrysum cassinianum]
                                    Sciadocephala
                                            Sciadocephala asplundii
                                    Sclerocarpus
                                            Sclerocarpus africanus
                                            Sclerocarpus divaricatus
                                            Sclerocarpus multifidus
                                            Sclerocarpus sessilifolius
                                            Sclerocarpus spathulatus
                                            Sclerocarpus uniserialis
                                              Sclerocarpus uniserialis var. frutescens
                                                     [Sclerocarpus frutescens]
                                    Sclerolepis
                                            Sclerolepis uniflora
                                                   [Sclerolepis verticillata]
                                    Selleophytum
                                            Selleophytum buchii
                                                   [Coreopsis buchii]
                                    Selloa
                                            Selloa plantaginea
                                                   [Feaella plantaginea]
                                    Senecio
                                            Senecio acanthifolius
                                            Senecio acetosaefolius
                                            Senecio adenophyllus
                                            Senecio adenotrichius
                                            Senecio alatus
                                            Senecio albicaulis
                                            Senecio alloeophyllus
                                            Senecio almeidae
                                            Senecio alpinus
                                            Senecio ambositrensis
                                            Senecio ambrosioides
                                            Senecio amplectens
                                              Senecio amplectens var. holmii
                                                     [Senecio holmii]
                                            Senecio amplexicaulis
                                            Senecio amplificatus
                                            Senecio ampullaceus
                                            Senecio andersonii
                                            Senecio andicola
                                            Senecio angulatus
                                            Senecio angustifolius
                                            Senecio antaisaka
                                            Senecio antambolorum
                                            Senecio antandroi
                                            Senecio antitensis
                                            Senecio aquaticus
                                            Senecio arenarius
                                            Senecio argyreus
                                            Senecio arnicoides
                                            Senecio arnottii
                                            Senecio aronicoides
                                            Senecio aschersonianus
                                            Senecio asiaticus
                                            Senecio aspericaulis
                                            Senecio asperulus
                                            Senecio astephanus
                                            Senecio atratus
                                            Senecio aurantiacus
                                            Senecio aureus
                                            Senecio bahioides
                                            Senecio balansae
                                            Senecio balbisianus
                                            Senecio baronii
                                            Senecio barorum
                                            Senecio benthamii
                                            Senecio bergii
                                            Senecio bertramii
                                            Senecio bigelovii
                                                   [Senecio rusbyi]
                                              Senecio bigelovii var. hallii
                                                     [Senecio accedens]
                                            Senecio blanchei
                                            Senecio blitoides
                                                   [Senecio carthamoides]
                                                   [Senecio fremontii var. blitoides]
                                            Senecio bojeri
                                            Senecio brachypodus
                                              Senecio brachypodus var. pleistocephalus
                                                     [Senecio pleistocephalus]
                                            Senecio bracteolatus
                                            Senecio brasiliensis
                                              Senecio brasiliensis var. tripartitus
                                                     [Senecio megapotamicus]
                                            Senecio bridgesii
                                            Senecio brunonianus
                                            Senecio buglossus
                                            Senecio bustillosianus
                                            Senecio cacaliaster
                                            Senecio cachinalensis
                                            Senecio californicus
                                                   [Senecio ammophilus]
                                            Senecio callosus
                                                   [Senecio eximius]
                                            Senecio canaliculatus
                                            Senecio candicans
                                            Senecio candidans
                                            Senecio canescens
                                            Senecio canus
                                            Senecio carnosus
                                            Senecio casapaltensis
                                                   [Senecio sanmarcosensis]
                                            Senecio cedrosensis
                                            Senecio cerberoanus
                                            Senecio cernuus
                                            Senecio chilensis
                                            Senecio chloranthus
                                            Senecio chrysanthemoides
                                            Senecio chrysocoma
                                                   [Senecio reclinatus]
                                            Senecio chrysolepis
                                            Senecio cinerarioides
                                            Senecio clevelandii
                                            Senecio compactus
                                            Senecio contristatus
                                            Senecio coquimbensis
                                            Senecio coronatus
                                            Senecio coronopifolius
                                            Senecio corrugatus
                                                   [Robinsonia gayana]
                                            Senecio corymbosus
                                            Senecio crassiflorus
                                            Senecio crassifolius
                                            Senecio crassulus
                                            Senecio crepidifolius
                                            Senecio crepidioides
                                            Senecio crithmoides
                                                   [Senecio julietii]
                                            Senecio crusoei
                                                   [Robinsonia gracilis]
                                            Senecio ctenophyllus
                                            Senecio cuneatus
                                            Senecio cymbalarioides
                                            Senecio darwinii
                                            Senecio debilis
                                            Senecio densiflorus
                                            Senecio dentato-alatus
                                            Senecio denticulatus
                                            Senecio depauperatus
                                            Senecio discolor
                                            Senecio donianus
                                            Senecio doronicum
                                              Senecio doronicum subsp. doronicum
                                                     [Senecio tomentosus]
                                            Senecio ecuadorensis
                                            Senecio eightsii
                                            Senecio elegans
                                            Senecio elgonensis
                                            Senecio elmeri
                                            Senecio elquiensis
                                            Senecio erechtitioides
                                            Senecio eremophilus
                                              Senecio eremophilus var. macdougalii
                                                     [Senecio macdougalii]
                                            Senecio ericaefolius
                                            Senecio eriophyton
                                            Senecio erubescens
                                            Senecio erucifolius
                                            Senecio espinosae
                                            Senecio evenius
                                                   [Robinsonia evenia]
                                            Senecio farinaceus
                                            Senecio farinifer
                                                   [Senecio belophyllus]
                                            Senecio fastigiatus
                                            Senecio filifolius
                                            Senecio fistulosus
                                            Senecio flaccidus
                                                   [Senecio douglasii var. longilobus]
                                                   [Senecio longilobus]
                                              Senecio flaccidus var. douglasii
                                                     [Senecio douglasii]
                                              Senecio flaccidus var. monoensis
                                                     [Senecio monoensis]
                                            Senecio flavus
                                            Senecio formosoides
                                            Senecio formosus
                                            Senecio francisci
                                            Senecio fremontii
                                            Senecio frigidus
                                            Senecio gallicus
                                                   [Senecio alboranicus]
                                            Senecio garaventai
                                            Senecio garcibarrigae
                                            Senecio gilliesii
                                            Senecio glabellus
                                            Senecio glaber
                                            Senecio glastifolius
                                            Senecio glaucus
                                              Senecio glaucus subsp. glaucus
                                                     [Senecio joppensis]
                                            Senecio glomeratus
                                              Senecio glomeratus subsp. glomeratus
                                                     [Erechtites argutus]
                                            Senecio glutinosus
                                            Senecio gnidioides
                                            Senecio goldsackii
                                            Senecio gramineticola
                                            Senecio gramineus
                                            Senecio greyi
                                            Senecio grossidens
                                            Senecio hadiensis
                                                   [Senecio petitianus]
                                            Senecio hakeifolius
                                            Senecio hallii
                                            Senecio harveianus
                                            Senecio hastatus
                                            Senecio herreianus
                                            Senecio hieracium
                                            Senecio hildebrandtii
                                            Senecio hoehnei
                                            Senecio hollandii
                                            Senecio hydrophiloides
                                            Senecio hydrophilus
                                            Senecio hyoseridifolius
                                            Senecio icoglossus
                                            Senecio illapelinus
                                            Senecio incanus
                                            Senecio integerrimus
                                                   [Senecio perplexus var. dispar]
                                                   [Senecio perplexus]
                                              Senecio integerrimus var. exaltatus
                                                     [Senecio columbianus]
                                                     [Senecio exaltatus]
                                              Senecio integerrimus var. major
                                                     [Senecio mendocinensis]
                                              Senecio integerrimus var. ochroleucus
                                                     [Senecio leibergii]
                                            Senecio integrifolius
                                            Senecio isatideus
                                            Senecio isernii
                                            Senecio jacobaea
                                            Senecio jaffuelii
                                            Senecio jungei
                                            Senecio kalambatitrensis
                                            Senecio kingii
                                                   [Senecio caespitosus]
                                            Senecio lactucinus
                                            Senecio lagascanus
                                                   [Senecio lagascanus subsp. lusitanicus]
                                            Senecio lamarckianus
                                            Senecio lanceus
                                            Senecio lapidum
                                            Senecio lautus
                                            Senecio lemmonii
                                                   [Senecio decorticans]
                                            Senecio leptolobus
                                            Senecio leptopterus
                                            Senecio leptoschizus
                                            Senecio leucanthemifolius
                                            Senecio leucomallus
                                            Senecio leucopeplus
                                            Senecio leucostachys
                                            Senecio leucus
                                            Senecio lewallei
                                            Senecio lineatus
                                            Senecio linifolius
                                            Senecio lividus
                                            Senecio longifolius
                                            Senecio longipes
                                            Senecio lugens
                                            Senecio lyonii
                                            Senecio lyratus
                                                   [Senecio lyratipartitus]
                                            Senecio mabberleyi
                                            Senecio macranthus
                                            Senecio macrocephalus
                                            Senecio magnificus
                                            Senecio mairetianus
                                            Senecio mapuche
                                            Senecio maranguensis
                                            Senecio masafuerae
                                                   [Robinsonia masafuerae]
                                            Senecio mattfeldianus
                                            Senecio maulinus
                                            Senecio megacephalus
                                            Senecio melanolepis
                                            Senecio mesembryanthemoides
                                            Senecio mesembrynus
                                            Senecio microphyllus
                                            Senecio miser
                                            Senecio mohavensis
                                            Senecio moorei
                                            Senecio muirii
                                            Senecio multicaulis
                                            Senecio multidentatus
                                              Senecio multidentatus var. huachucanus
                                                     [Senecio huachucanus]
                                            Senecio murinus
                                            Senecio murorum
                                            Senecio myriocephalus
                                            Senecio nanus
                                            Senecio navicularis
                                            Senecio navugabensis
                                            Senecio neaei
                                            Senecio nebrodensis
                                            Senecio nemorensis
                                            Senecio neobakeri
                                            Senecio nudicaulis
                                            Senecio obtectus
                                            Senecio octolepis
                                            Senecio oerstedianus
                                            Senecio oleosus
                                            Senecio oliganthus
                                            Senecio oreinus
                                            Senecio oreophyton
                                            Senecio ovatus
                                              Senecio ovatus subsp. ovatus
                                                     [Senecio fuchsii]
                                            Senecio pacificus
                                            Senecio pampeanus
                                            Senecio panduriformis
                                            Senecio paniculatus
                                            Senecio parryi
                                            Senecio patagonicus
                                              Senecio patagonicus var. andersonii
                                            Senecio paucidentatus
                                            Senecio pauciflorus
                                            Senecio paulensis
                                            Senecio pedunculatus
                                            Senecio philippii
                                                   [Senecio ammophilus]
                                            Senecio phylloleptus
                                            Senecio picridis
                                            Senecio pilquensis
                                            Senecio pinnatus
                                            Senecio planiflorus
                                            Senecio plantagineoides
                                            Senecio platensis
                                            Senecio pleistophyllus
                                            Senecio poeppigii
                                            Senecio polycephalus
                                            Senecio polygaloides
                                            Senecio porteri
                                                   [Senecio renifolius]
                                            Senecio procumbens
                                            Senecio provincialis
                                                   [Senecio obovatus]
                                            Senecio pseudosubsessilis
                                            Senecio pterophorus
                                            Senecio puberulus
                                            Senecio pubigerus
                                            Senecio pudicus
                                            Senecio pulchellus
                                            Senecio pulcher
                                            Senecio purpureus
                                            Senecio pycnanthus
                                            Senecio pyrenaicus
                                                   [Senecio tournefortii var. carpetanus]
                                                   [Senecio tournefortii var. granatensis]
                                                   [Senecio tournefortii]
                                            Senecio quartziticolus
                                            Senecio quinquelobus
                                            Senecio radiolatus
                                              Senecio radiolatus subsp. antipodus
                                                     [Senecio antipodus]
                                            Senecio rapifolius
                                            Senecio reicheanus
                                            Senecio renifolius
                                            Senecio resectus
                                            Senecio revolutus
                                            Senecio rhizomatus
                                            Senecio rhombifolius
                                            Senecio riddellii
                                            Senecio rivularis
                                            Senecio roseus
                                            Senecio rotundifolius
                                            Senecio rudbeckiifolius
                                                   [Senecio flagellisectus]
                                            Senecio rugegensis
                                            Senecio rugelia
                                            Senecio rupestris
                                            Senecio sakamaliensis
                                            Senecio sarracenicus
                                                   [Senecio fluviatilis]
                                            Senecio scandens
                                                   [Senecio chinensis]
                                            Senecio scorzonella
                                                   [Senecio covillei]
                                            Senecio serra
                                              Senecio serra var. admirabilis
                                                     [Senecio admirabilis]
                                            Senecio serratifolius
                                                   [Culcitium serratifolium]
                                            Senecio sheldonensis
                                            Senecio sinapoides
                                            Senecio sinuatilobus
                                            Senecio skottsbergii
                                            Senecio smithii
                                            Senecio soldanella
                                            Senecio soukupii
                                            Senecio spanomerus
                                                   [Senecio lautus subsp. dissectifolius]
                                            Senecio spartioides
                                                   [Senecio andersonii]
                                            Senecio spathulatus
                                            Senecio spathulifolius
                                            Senecio sphaerocephalus
                                            Senecio squalidus
                                            Senecio stauntonii
                                            Senecio stigophlebius
                                            Senecio stoechadiformis
                                            Senecio subdentatus
                                            Senecio subfractiflexus
                                            Senecio subnudus
                                            Senecio subpubescens
                                            Senecio subulatus
                                              Senecio subulatus var. erectus
                                                     [Senecio mendocinus]
                                            Senecio sylvaticus
                                            Senecio syringifolius
                                            Senecio tamoides
                                            Senecio tephrosioides
                                            Senecio thurifer
                                                   [Robinsonia thurifera]
                                            Senecio triangularis
                                            Senecio tricuspidatus
                                            Senecio triodon
                                            Senecio tristis
                                            Senecio troncosii
                                            Senecio tropaeolifolius
                                            Senecio tsaratananensis
                                            Senecio vernalis
                                            Senecio viravira
                                            Senecio viridis
                                            Senecio viscosissimus
                                                   [Senecio hakeaefolius]
                                            Senecio viscosus
                                            Senecio volckmannii
                                                   [Senecio rosmarinus]
                                            Senecio vulgaris
                                              Senecio vulgaris var. radiatus
                                            Senecio websteri
                                            Senecio westermanii
                                            Senecio wootonii
                                                   [Senecio anacletus]
                                            Senecio xerophilus
                                    Sericocarpus
                                            Sericocarpus asteroides
                                                   [Aster paternus]
                                                   [Sericocarpus conyzoides]
                                            Sericocarpus linifolius
                                                   [Aster solidagineus]
                                                   [Sericocarpus solidagineus]
                                            Sericocarpus rigidus
                                            Sericocarpus tortifolius
                                    Shinnersia
                                            Shinnersia rivularis
                                                   [Trichocoronis rivularis]
                                    Sidneya
                                            Sidneya tenuifolia
                                                   [Gymnolomia tenuifolia]
                                                   [Viguiera stenoloba]
                                    Sigesbeckia
                                            Sigesbeckia glabrescens
                                            Sigesbeckia pubescens
                                    Siloxerus
                                            Siloxerus tomentosus
                                                   [Angianthus tomentosus]
                                    Silphium
                                            Silphium asteriscus
                                              Silphium asteriscus subsp. asteriscus
                                                     [Silphium asteriscus var. scabrum]
                                                     [Silphium gatesii]
                                              Silphium asteriscus var. dentatum
                                                     [Silphium dentatum]
                                              Silphium asteriscus var. latifolium
                                                     [Silphium glabrum]
                                              Silphium asteriscus var. trifoliatum
                                                     [Silphium trifoliatum]
                                            Silphium compositum
                                                   [Silphium ovatifolium]
                                                   [Silphium reniforme]
                                            Silphium integrifolium
                                                   [Silphium integrifolium var. deamii]
                                              Silphium integrifolium var. asperrimum
                                                     [Silphium asperrimum]
                                              Silphium integrifolium var. laeve
                                                     [Silphium speciosum]
                                              Silphium integrifolium var. wrightii
                                                     [Silphium simpsonii var. wrightii]
                                            Silphium laciniatum
                                            Silphium mohrii
                                            Silphium perfoliatum
                                              Silphium perfoliatum var. connatum
                                            Silphium radula
                                                   [Silphium reverchonii]
                                              Silphium radula var. gracile
                                                     [Silphium gracile]
                                            Silphium terebinthinaceum
                                              Silphium terebinthinaceum var. terebinthinaceum
                                    Simsia
                                            Simsia amplexicaulis
                                                   [Encelia mexicana]
                                            Simsia calva
                                                   [Encelia calva]
                                            Simsia chaseae
                                            Simsia eurylepis
                                            Simsia foetida
                                            Simsia lagascaeformis
                                                   [Encelia exaristata]
                                                   [Simsia exaristata]
                                    Sinacalia
                                            Sinacalia tangutica
                                                   [Ligularia tangutica]
                                    Sinosenecio
                                            Sinosenecio phalacrocarpus
                                                   [Senecio phalacrocarpus]
                                    Sinosidus
                                            Sinosidus albescens
                                                   [Aster albescens]
                                                   [Microglossa albescens]
                                              Sinosidus albescens var. gracilior
                                                     [Aster harrowianus]
                                    Smallanthus
                                            Smallanthus cocuyensis
                                                   [Polymnia cocuyensis]
                                            Smallanthus connatus
                                                   [Polymnia connata]
                                                   [Polymnia silphioides]
                                            Smallanthus glabratus
                                                   [Polymnia glabrata]
                                            Smallanthus maculatus
                                                   [Polymnia maculata]
                                            Smallanthus pyramidalis
                                                   [Polymnia pyramidalis]
                                            Smallanthus sonchifolius
                                                   [Polymnia edulis]
                                            Smallanthus uvedalia
                                                   [Polymnia uvedalia]
                                    Solanecio
                                            Solanecio angulatus
                                                   [Crassocephalum bojeri]
                                            Solanecio cydoniifolius
                                                   [Senecio stuhlmanni]
                                            Solanecio epidendricus
                                            Solanecio gigas
                                                   [Senecio gigas]
                                            Solanecio gynuroides
                                            Solanecio mirabilis
                                    Solenogyne
                                            Solenogyne gunnii
                                                   [Lagenophora solenogyne]
                                    Solidago
                                            Solidago albopilosa
                                            Solidago altissima
                                                   [Solidago altissima var. procera]
                                                   [Solidago canadensis var. scabra]
                                                   [Solidago lunellii]
                                                   [Solidago procera]
                                              Solidago altissima var. gilvocanescens
                                                     [Solidago pruinosa]
                                            Solidago amplexicaulis
                                            Solidago angustifolia
                                            Solidago arguta
                                                   [Solidago muhlenbergii]
                                                   [Solidago yadkinensis]
                                            Solidago auriculata
                                            Solidago bicolor
                                                   [Solidago pubens]
                                            Solidago boottii
                                            Solidago brachyphylla
                                            Solidago buckleyi
                                            Solidago caesia
                                            Solidago californica
                                            Solidago canadensis
                                            Solidago canescens
                                            Solidago chapmanii
                                            Solidago chilensis
                                                   [Solidago linearifolia]
                                            Solidago confertiflora
                                            Solidago confinis
                                            Solidago corymbosa
                                            Solidago curtisii
                                            Solidago dahurica
                                                   [Solidago gebleri]
                                            Solidago decemflora
                                                   [Solidago pulcherrima]
                                            Solidago decurrens
                                            Solidago delicatula
                                            Solidago discoidea
                                            Solidago drummondii
                                            Solidago elliptica
                                            Solidago elongata
                                            Solidago erecta
                                            Solidago fistulosa
                                            Solidago flaccidifolia
                                                   [Solidago asterifolia]
                                            Solidago flexicaulis
                                            Solidago garrettii
                                                   [Solidago howellii]
                                                   [Solidago sparsiflora]
                                                   [Solidago trinervata]
                                            Solidago gattingeri
                                            Solidago gigantea
                                                   [Solidago gigantea var. leiophylla]
                                                   [Solidago pitcheri]
                                            Solidago gillmani
                                            Solidago glabra
                                            Solidago glomerata
                                            Solidago glutinosa
                                                   [Solidago decumbens]
                                                   [Solidago neomexicana]
                                                   [Solidago oreophila]
                                                   [Solidago spathulata var. neomexicana]
                                                   [Solidago vespertina]
                                            Solidago gracillima
                                            Solidago grandiflora
                                            Solidago guiradonis
                                            Solidago harrisii
                                            Solidago hispida
                                            Solidago houghtonii
                                            Solidago humilis
                                            Solidago juncea
                                                   [Solidago juncea var. ramosa]
                                            Solidago lancifolia
                                            Solidago latissimifolia
                                                   [Solidago edisoniana]
                                                   [Solidago elliottii]
                                            Solidago leavenworthii
                                            Solidago leiocarpa
                                                   [Solidago cutleri]
                                            Solidago lepida
                                              Solidago lepida var. salebrosa
                                                     [Solidago canadensis var. salebrosa]
                                                     [Solidago serra]
                                            Solidago littoralis
                                            Solidago ludoviciana
                                                   [Solidago strigosa]
                                            Solidago macrophylla
                                                   [Solidago macrophylla var. thyrsoidea]
                                            Solidago mexicana
                                            Solidago microglossa
                                            Solidago minuta
                                            Solidago minutissima
                                            Solidago mirabilis
                                            Solidago missouriensis
                                                   [Solidago concinna]
                                                   [Solidago glaberrima]
                                                   [Solidago hapemaniana]
                                            Solidago mollis
                                            Solidago monticola
                                            Solidago multiradiata
                                              Solidago multiradiata subsp. multiradiata
                                                     [Solidago algida]
                                                     [Solidago ciliosa]
                                            Solidago nana
                                            Solidago nashii
                                            Solidago nemoralis
                                                   [Solidago nemoralis var. haleana]
                                            Solidago nitida
                                            Solidago odora
                                                   [Solidago suaveolens]
                                            Solidago ohioensis
                                            Solidago pallida
                                            Solidago patula
                                            Solidago petiolaris
                                                   [Solidago lindheimeriana]
                                              Solidago petiolaris var. wardii
                                                     [Solidago wardii]
                                            Solidago pilosa
                                            Solidago pinetorum
                                            Solidago polyphylla
                                            Solidago ptarmicoides
                                                   [Aster ptarmicoides]
                                            Solidago puberula
                                              Solidago puberula var. puberula
                                            Solidago pumila
                                            Solidago racemosa
                                            Solidago radula
                                                   [Solidago pendula]
                                            Solidago randii
                                            Solidago riddellii
                                            Solidago rigida
                                              Solidago rigida subsp. glabrata
                                                     [Solidago rigida var. laevicaulis]
                                              Solidago rigida subsp. rigida
                                                     [Solidago asperula]
                                            Solidago rigidiuscula
                                                   [Solidago speciosa var. rigidiuscula]
                                            Solidago roanensis
                                            Solidago rugosa
                                              Solidago rugosa var. celtidifolia
                                                     [Solidago celtidifolia]
                                            Solidago rupestris
                                            Solidago salicina
                                            Solidago sempervirens
                                            Solidago serotina
                                            Solidago shortii
                                            Solidago simplex
                                            Solidago spathulata
                                            Solidago speciosa
                                            Solidago spectabilis
                                            Solidago sphacelata
                                                   [Brachychaeta cordata]
                                                   [Brachychaeta sphacelata]
                                            Solidago spithamaea
                                            Solidago squarrosa
                                            Solidago stricta
                                                   [Solidago flavovirens]
                                            Solidago tortifolia
                                            Solidago uliginosa
                                                   [Solidago linoides]
                                                   [Solidago neglecta]
                                                   [Solidago uniligulata]
                                            Solidago ulmifolia
                                            Solidago velutina
                                            Solidago verna
                                            Solidago virgata
                                            Solidago virgaurea
                                              Solidago virgaurea subsp. asiatica
                                                     [Solidago japonica]
                                              Solidago virgaurea subsp. gigantea
                                              Solidago virgaurea subsp. minuta
                                                     [Solidago alpestris]
                                              Solidago virgaurea subsp. taurica
                                                     [Solidago taurica]
                                              Solidago virgaurea subsp. virgaurea
                                                     [Solidago latifolia]
                                                     [Solidago macrorhiza]
                                            Solidago wrightii
                                                   [Solidago bigelovii]
                                            Solidago yokusaiana
                                            Solidago × luteus
                                                   [Solidaster luteus]
                                    Soliva
                                            Soliva anthemifolia
                                            Soliva sessilis
                                                   [Soliva daucifolia]
                                                   [Soliva pterosperma]
                                                   [Soliva valdiviana]
                                            Soliva stolonifera
                                                   [Soliva nasturtiifolia]
                                    Sommerfeltia
                                            Sommerfeltia spinulosa
                                    Sphaeranthus
                                            Sphaeranthus africanus
                                            Sphaeranthus bullatus
                                            Sphaeranthus cristatus
                                            Sphaeranthus indicus
                                            Sphaeranthus samburuensis
                                            Sphaeranthus suaveolens
                                    Sphaeromorphaea
                                            Sphaeromorphaea australis
                                                   [Epaltes australis]
                                    Sphagneticola
                                            Sphagneticola calendulacea
                                                   [Wedelia chinensis]
                                            Sphagneticola gracilis
                                                   [Wedelia gracilis]
                                            Sphagneticola trilobata
                                                   [Wedelia trilobata]
                                    Spilanthes
                                            Spilanthes leiocarpa
                                            Spilanthes pilosa
                                            Spilanthes repens
                                            Spilanthes urens
                                    Squamopappus
                                            Squamopappus skutchii
                                    Steiractinia
                                            Steiractinia rusbyana
                                            Steiractinia sodiroi
                                                   [Steiractinia mollis]
                                    Steirodiscus
                                            Steirodiscus speciosus
                                                   [Gamolepis speciosa]
                                            Steirodiscus tagetes
                                                   [Gamolepis tagetes]
                                    Stenachaenium
                                            Stenachaenium campestre
                                    Stenocarpha
                                            Stenocarpha filiformis
                                    Stenotus
                                            Stenotus acaulis
                                                   [Haplopappus acaulis]
                                    Stevia
                                            Stevia alternifolia
                                            Stevia anisostemma
                                            Stevia aristata
                                            Stevia balansae
                                            Stevia berlandieri
                                            Stevia bertholdii
                                            Stevia commixta
                                            Stevia crenata
                                            Stevia cuzcoensis
                                            Stevia dictyophylla
                                            Stevia elatior
                                                   [Stevia elongata]
                                            Stevia eupatoria
                                            Stevia glandulosa
                                            Stevia jaliscensis
                                            Stevia jorullensis
                                                   [Stevia clinopodia]
                                            Stevia latifolia
                                            Stevia lucida
                                            Stevia macbridei
                                            Stevia mercedensis
                                            Stevia micrantha
                                            Stevia microchaeta
                                            Stevia monardifolia
                                            Stevia origanoides
                                            Stevia ovata
                                                   [Stevia paniculata]
                                                   [Stevia rhombifolia]
                                            Stevia pilosa
                                            Stevia plummerae
                                            Stevia puberula
                                            Stevia purpurea
                                            Stevia rebaudiana
                                            Stevia salicifolia
                                                   [Stevia stenophylla]
                                            Stevia sarensis
                                            Stevia scabrella
                                              Stevia scabrella var. venosa
                                                     [Stevia venosa]
                                            Stevia serrata
                                                   [Stevia linoides]
                                            Stevia soratensis
                                            Stevia subpubescens
                                            Stevia tomentosa
                                            Stevia trifida
                                            Stevia triflora
                                                   [Stevia rhombifolia var. stephanocoma]
                                            Stevia viscida
                                                   [Stevia laxiflora]
                                            Stevia weberbaueri
                                    Steviopsis
                                            Steviopsis rapunculoides
                                                   [Eupatorium dasycarpum]
                                    Stoebe
                                            Stoebe alopecuroides
                                            Stoebe cinerea
                                            Stoebe incana
                                            Stoebe plumosa
                                                   [Stoebe burchellii]
                                                   [Stoebe vulgaris]
                                    Stomatanthes
                                            Stomatanthes africanus
                                                   [Eupatorium africanum]
                                    Stylocline
                                            Stylocline amphibola
                                                   [Micropus amphibolus]
                                    Symphyopappus
                                            Symphyopappus casarettoi
                                            Symphyopappus itatiayensis
                                                   [Eupatorium itatiayense]
                                    Symphyotrichum
                                            Symphyotrichum adnatum
                                                   [Aster adnatus]
                                            Symphyotrichum anticostense
                                                   [Aster gaspensis]
                                            Symphyotrichum ascendens
                                                   [Aster ascendens var. ciliatifolius]
                                                   [Aster ascendens var. denudatus]
                                                   [Aster ascendens]
                                                   [Aster chilensis subsp. adscendens]
                                                   [Aster nuttallii]
                                            Symphyotrichum boreale
                                                   [Aster junciformis]
                                            Symphyotrichum bracteolatum
                                                   [Aster eatonii]
                                                   [Aster foliaceus var. eatonii]
                                                   [Aster mearnsii]
                                            Symphyotrichum bullatum
                                                   [Aster bullatus]
                                            Symphyotrichum campestre
                                                   [Aster campestris var. bloomeri]
                                                   [Aster campestris]
                                            Symphyotrichum chapmanii
                                                   [Aster chapmanii]
                                            Symphyotrichum chilense
                                                   [Aster chamissonis]
                                                   [Aster chilensis]
                                                   [Aster sonomensis]
                                            Symphyotrichum ciliatum
                                                   [Aster brachyactis]
                                                   [Brachyactis angusta]
                                                   [Brachyactis ciliata]
                                            Symphyotrichum concolor
                                                   [Aster concolor]
                                                   [Aster simulatus]
                                            Symphyotrichum cordifolium
                                            Symphyotrichum defoliatum
                                                   [Aster bernardinus]
                                            Symphyotrichum drummondii
                                                   [Aster sagittifolius var. drummondii]
                                              Symphyotrichum drummondii var. texanum
                                                     [Aster texanus]
                                            Symphyotrichum dumosum
                                                   [Aster dumosus var. gracilipes]
                                                   [Aster dumosus var. pergracilis]
                                                   [Aster dumosus var. strictior]
                                                   [Aster dumosus var. subulifolius]
                                                   [Aster dumosus]
                                            Symphyotrichum elliottii
                                                   [Aster elliottii]
                                            Symphyotrichum ericoides
                                                   [Aster ericoides f. caeruleus]
                                                   [Aster ericoides f. prostratus]
                                                   [Aster ericoides var. reevesii]
                                                   [Aster ericoides]
                                                   [Aster hebecladus]
                                              Symphyotrichum ericoides var. pansum
                                                     [Aster pansus]
                                                     [Aster stricticaulis]
                                            Symphyotrichum eulae
                                                   [Aster eulae]
                                            Symphyotrichum falcatum
                                                   [Aster falcatus]
                                                   [Haplopappus falcatus]
                                              Symphyotrichum falcatum var. commutatum
                                                     [Aster commutatus var. crassulus]
                                                     [Aster commutatus var. polycephalus]
                                                     [Aster commutatus]
                                                     [Aster crassulus]
                                                     [Aster ericoides var. commutatus]
                                                     [Aster falcatus var. crassulus]
                                                     [Aster incanopilosus]
                                            Symphyotrichum fendleri
                                                   [Aster fendleri]
                                            Symphyotrichum firmum
                                                   [Aster puniceus f. lucidulus]
                                            Symphyotrichum foliaceum
                                                   [Aster foliaceus]
                                              Symphyotrichum foliaceum var. apricum
                                                     [Aster foliaceus subsp. apricus]
                                              Symphyotrichum foliaceum var. canbyi
                                                     [Aster foliaceus var. burkei]
                                                     [Aster foliaceus var. canbyi]
                                              Symphyotrichum foliaceum var. cusickii
                                                     [Aster cusickii]
                                              Symphyotrichum foliaceum var. parryi
                                                     [Aster ascendens var. parryi]
                                                     [Aster foliaceus var. parryi]
                                                     [Aster frondeus]
                                            Symphyotrichum fontinale
                                                   [Aster fontinalis]
                                            Symphyotrichum frondosum
                                                   [Aster frondosus]
                                            Symphyotrichum hallii
                                                   [Aster chilensis subsp. hallii]
                                            Symphyotrichum hendersonii
                                                   [Aster foliaceus var. lyallii]
                                            Symphyotrichum laeve
                                              Symphyotrichum laeve var. concinnum
                                              Symphyotrichum laeve var. geyeri
                                                     [Aster geyeri]
                                                     [Aster laevis subsp. geyeri]
                                              Symphyotrichum laeve var. purpuratum
                                                     [Aster attenuatus]
                                                     [Aster miser]
                                                     [Aster purpuratus]
                                            Symphyotrichum lanceolatum
                                                   [Aster lamarckianus]
                                                   [Aster paniculatus var. simplex]
                                              Symphyotrichum lanceolatum var. hesperium
                                                     [Aster durus]
                                                     [Aster hesperius]
                                                     [Aster laetevirens]
                                                     [Aster wootonii]
                                            Symphyotrichum lateriflorum
                                                   [Aster lateriflorus var. angustifolius]
                                                   [Aster lateriflorus var. hirsuticaulis]
                                                   [Aster lateriflorus var. pendulus]
                                                   [Aster lateriflorus]
                                            Symphyotrichum lentum
                                                   [Aster chilensis var. sonomensis]
                                            Symphyotrichum moranense
                                                   [Aster lima]
                                                   [Aster moranensis]
                                            Symphyotrichum novae-angliae
                                                   [Aster novae-angliae f. roseus]
                                                   [Aster novae-angliae]
                                            Symphyotrichum novi-belgii
                                                   [Aster laxifolius]
                                                   [Aster longifolius]
                                                   [Aster novi-belgii subsp. laevigatus]
                                                   [Aster novi-belgii]
                                                   [Aster salicifolius]
                                              Symphyotrichum novi-belgii var. elodes
                                                     [Aster novi-belgii var. elodes]
                                              Symphyotrichum novi-belgii var. villicaule
                                                     [Aster longifolius var. villicaulis]
                                            Symphyotrichum oblongifolium
                                                   [Aster oblongifolius var. rigidulus]
                                                   [Aster oblongifolius]
                                            Symphyotrichum ontarionis
                                                   [Aster ontarionis]
                                                   [Aster pantotrichus]
                                            Symphyotrichum oolentangiense
                                                   [Aster azureus]
                                                   [Aster oolentangiensis]
                                            Symphyotrichum parviflorum
                                                   [Aster exilis]
                                            Symphyotrichum patens
                                                   [Aster patens]
                                              Symphyotrichum patens var. gracile
                                                     [Aster patens var. gracilis]
                                            Symphyotrichum phlogifolium
                                                   [Aster patens var. phlogifolius]
                                            Symphyotrichum pilosum
                                                   [Aster ericoides f. villosus]
                                                   [Aster ericoides var. platyphyllus]
                                                   [Aster pilosus var. demotus]
                                                   [Aster pilosus var. platyphyllus]
                                                   [Aster pilosus]
                                              Symphyotrichum pilosum var. pringlei
                                                     [Aster ericoides var. pringlei]
                                                     [Aster pilosus var. pringlei]
                                            Symphyotrichum potosinum
                                                   [Aster potosinus]
                                            Symphyotrichum praealtum
                                                   [Aster coerulescens]
                                                   [Aster nebraskensis]
                                                   [Aster novi-belgii var. litoreus]
                                                   [Aster praealtus var. angustior]
                                                   [Aster salicifolius f. subasper]
                                            Symphyotrichum pratense
                                                   [Aster phyllolepis]
                                            Symphyotrichum prenanthoides
                                                   [Aster prenanthoides]
                                            Symphyotrichum priceae
                                                   [Aster priceae]
                                            Symphyotrichum puniceum
                                                   [Aster puniceus var. laevicaulis]
                                                   [Aster puniceus var. vimineus]
                                            Symphyotrichum racemosum
                                                   [Aster racemosus]
                                                   [Aster vimineus var. subdumosus]
                                            Symphyotrichum regnellii
                                                   [Aster regnellii]
                                            Symphyotrichum retroflexum
                                                   [Aster curtisii]
                                            Symphyotrichum sericeum
                                            Symphyotrichum shortii
                                                   [Aster shortii]
                                            Symphyotrichum spathulatum
                                                   [Aster delectabilis]
                                                   [Aster fremontii]
                                                   [Aster occidentalis]
                                              Symphyotrichum spathulatum var. intermedium
                                                     [Aster occidentalis subsp. intermedius]
                                                     [Aster vallicola]
                                              Symphyotrichum spathulatum var. yosemitanum
                                                     [Aster yosemitanus]
                                            Symphyotrichum squamatum
                                                   [Aster squamatus]
                                                   [Conyza berteroana]
                                            Symphyotrichum subulatum
                                                   [Aster subulatus var. euroauster]
                                                   [Erigeron linifolius]
                                              Symphyotrichum subulatum var. subulatum
                                            Symphyotrichum tenuifolium
                                              Symphyotrichum tenuifolium var. aphyllum
                                                     [Aster bracei]
                                            Symphyotrichum tradescantii
                                                   [Aster parviflorus]
                                            Symphyotrichum turbinellum
                                                   [Aster turbinellus]
                                            Symphyotrichum undulatum
                                                   [Aster sylvestris]
                                                   [Aster undulatus var. diversifolius]
                                            Symphyotrichum urophyllum
                                                   [Aster sagittifolius var. urophyllus]
                                            Symphyotrichum vahlii
                                                   [Aster vahlii]
                                            Symphyotrichum walteri
                                                   [Aster walteri]
                                            Symphyotrichum × batesii
                                                   [Aster batesii]
                                            Symphyotrichum × longulum
                                                   [Aster longulus]
                                            Symphyotrichum × salignum
                                                   [Aster salignus]
                                    Syncarpha
                                            Syncarpha canescens
                                              Syncarpha canescens subsp. canescens
                                                     [Helipterum canescens]
                                            Syncarpha eximia
                                                   [Helipterum eximium]
                                            Syncarpha gnaphaloides
                                                   [Helipterum gnaphaloides]
                                            Syncarpha milleflora
                                                   [Helipterum milleflorum]
                                            Syncarpha speciosissima
                                              Syncarpha speciosissima subsp. speciosissima
                                                     [Helipterum speciosissimum]
                                            Syncarpha variegata
                                                   [Helipterum variegatum]
                                            Syncarpha zeyheri
                                                   [Helipterum zeyheri]
                                    Syncephalum
                                            Syncephalum arbutifolium
                                            Syncephalum stenoclinoides
                                            Syncephalum tsinjoarivense
                                    Syncretocarpus
                                            Syncretocarpus sericeus
                                    Synedrella
                                            Synedrella nodiflora
                                                   [Verbesina nodiflora]
                                    Syneilesis
                                            Syneilesis aconitifolia
                                            Syneilesis palmata
                                    Synotis
                                            Synotis chenopodiifolia
                                                   [Senecio chenopodifolius]
                                            Synotis kunthiana
                                                   [Senecio kunthianus]
                                            Synotis rufinervis
                                                   [Senecio rufinervis]
                                            Synotis tetrantha
                                                   [Senecio tetranthus]
                                    Syntrichopappus
                                            Syntrichopappus fremontii
                                            Syntrichopappus lemmonii
                                    Tagetes
                                            Tagetes caracasana
                                            Tagetes coronopifolia
                                            Tagetes corymbosa
                                            Tagetes elongata
                                            Tagetes erecta
                                                   [Tagetes patula]
                                            Tagetes filifolia
                                            Tagetes foetidissima
                                            Tagetes gracilis
                                            Tagetes lacera
                                            Tagetes lemmonii
                                            Tagetes linifolia
                                            Tagetes lucida
                                            Tagetes lunulata
                                                   [Tagetes signata]
                                            Tagetes micrantha
                                            Tagetes minuta
                                            Tagetes multiflora
                                            Tagetes nelsonii
                                            Tagetes parryi
                                            Tagetes pringlei
                                            Tagetes remotiflora
                                            Tagetes stenophylla
                                            Tagetes subulata
                                            Tagetes tenuifolia
                                                   [Tagetes peduncularis]
                                            Tagetes terniflora
                                            Tagetes triradiata
                                                   [Tagetes jaliscensis]
                                            Tagetes zypaquirensis
                                    Taimingasa
                                            Taimingasa firma
                                                   [Koyamacalia pseudotaimingasa]
                                    Talamancalia
                                    Tamaulipa
                                            Tamaulipa azurea
                                                   [Eupatorium azureum]
                                    Tanacetum
                                            Tanacetum achilleifolium
                                                   [Chrysanthemum achilleifolium]
                                            Tanacetum alpinum
                                            Tanacetum aucheri
                                                   [Pyrethrum tenuilobum]
                                            Tanacetum aureum
                                                   [Achillea aurea]
                                            Tanacetum balsamita
                                                   [Balsamita major]
                                                   [Chrysanthemum balsamita]
                                                   [Chrysanthemum majus]
                                            Tanacetum bipinnatum
                                              Tanacetum bipinnatum subsp. bipinnatum
                                                     [Chrysanthemum bipinnatum subsp. huronense]
                                                     [Chrysanthemum bipinnatum]
                                                     [Tanacetum camphoratum]
                                                     [Tanacetum huronense]
                                            Tanacetum boreale
                                            Tanacetum cilicium
                                                   [Pyrethrum cilicium]
                                            Tanacetum cinerariifolium
                                                   [Chrysanthemum cinerariifolium]
                                            Tanacetum coccineum
                                              Tanacetum coccineum subsp. coccineum
                                                     [Chrysanthemum coccineum]
                                                     [Chrysanthemum roseum]
                                            Tanacetum corymbosum
                                              Tanacetum corymbosum subsp. corymbosum
                                                     [Chrysanthemum corymbosum]
                                              Tanacetum corymbosum subsp. subcorymbosum
                                                     [Chrysanthemum subcorymbosum]
                                            Tanacetum densum
                                              Tanacetum densum subsp. densum
                                                     [Pyrethrum densum]
                                            Tanacetum falconeri
                                            Tanacetum fruticulosum
                                            Tanacetum griffithii
                                                   [Chrysanthemum griffithii]
                                            Tanacetum longifolium
                                            Tanacetum macrophyllum
                                                   [Chrysanthemum macrophyllum]
                                            Tanacetum millefolium
                                            Tanacetum niveum
                                                   [Pyrethrum niveum]
                                            Tanacetum oxystegium
                                            Tanacetum paczoskii
                                            Tanacetum parthenifolium
                                            Tanacetum parthenium
                                                   [Chrysanthemum parthenium]
                                                   [Matricaria eximia]
                                            Tanacetum pulchrum
                                            Tanacetum punctatum
                                            Tanacetum sericeum
                                                   [Pyrethrum sericeum]
                                            Tanacetum stoliczkae
                                                   [Chrysanthemum stoliczkai]
                                            Tanacetum tomentosum
                                            Tanacetum vulgare
                                              Tanacetum vulgare subsp. vulgare
                                                     [Chrysanthemum vulgare subsp. boreale]
                                                     [Tanacetum vulgare var. crispum]
                                    Telanthophora
                                            Telanthophora andrieuxii
                                                   [Senecio andrieuxii]
                                            Telanthophora grandifolia
                                                   [Senecio arborescens]
                                            Telanthophora jaliscana
                                            Telanthophora standleyi
                                            Telanthophora uspantanensis
                                                   [Senecio uspantanensis]
                                    Telekia
                                            Telekia speciosa
                                                   [Buphthalmum cordifolium]
                                                   [Buphthalmum speciosum]
                                    Tephroseris
                                            Tephroseris elodes
                                              Tephroseris elodes subsp. elodes
                                                     [Senecio elodes]
                                            Tephroseris flammea
                                                   [Senecio flammeus var. glabrifolius]
                                                   [Senecio flammeus]
                                            Tephroseris furusei
                                                   [Senecio furusei]
                                            Tephroseris helenitis
                                              Tephroseris helenitis subsp. helenitis
                                                     [Senecio brachychaetus]
                                            Tephroseris integrifolia
                                              Tephroseris integrifolia subsp. atropurpurea
                                                     [Senecio atropurpureus]
                                              Tephroseris integrifolia subsp. integrifolia
                                                     [Senecio campestris]
                                              Tephroseris integrifolia var. spathulata
                                                     [Senecio integrifolius subsp. fauriei]
                                            Tephroseris kirilowii
                                                   [Senecio kirilowii]
                                            Tephroseris palustris
                                                   [Senecio congestus]
                                                   [Senecio palustris]
                                            Tephroseris pierotii
                                                   [Senecio pierotii]
                                            Tephroseris pricei
                                                   [Senecio pricei]
                                            Tephroseris takedana
                                                   [Senecio takedanus]
                                            Tephroseris turczaninovii
                                              Tephroseris turczaninovii subsp. turczaninovii
                                                     [Senecio turczaninovii]
                                    Tessaria
                                            Tessaria dodoneifolia
                                              Tessaria dodoneifolia subsp. dodoneifolia
                                                     [Tessaria viscosa]
                                            Tessaria fastigiata
                                                   [Pluchea fastigiata]
                                            Tessaria integrifolia
                                                   [Tessaria absinthoides]
                                                   [Tessaria mucronata]
                                    Tetradymia
                                            Tetradymia argyraea
                                            Tetradymia axillaris
                                            Tetradymia canescens
                                                   [Tetradymia inermis]
                                              Tetradymia canescens var. inermis
                                            Tetradymia comosa
                                            Tetradymia filifolia
                                            Tetradymia glabrata
                                            Tetradymia nuttallii
                                            Tetradymia spinosa
                                            Tetradymia stenolepis
                                    Tetragonotheca
                                            Tetragonotheca helianthoides
                                            Tetragonotheca repanda
                                            Tetragonotheca texana
                                    Tetraneuris
                                            Tetraneuris acaulis
                                                   [Actinea acaulis var. acaulis]
                                                   [Actinea acaulis var. simplex]
                                                   [Actinea acaulis]
                                                   [Actinea simplex]
                                                   [Hymenoxys acaulis]
                                              Tetraneuris acaulis var. acaulis
                                                     [Actinea acaulis subsp. lanigera]
                                              Tetraneuris acaulis var. arizonica
                                                     [Actinea acaulis var. arizonica]
                                            Tetraneuris argentea
                                                   [Actinea argentea]
                                                   [Actinea leptoclada]
                                            Tetraneuris herbacea
                                                   [Actinea herbacea]
                                                   [Actinea scaposa var. glabra]
                                                   [Hymenoxys herbacea]
                                            Tetraneuris ivesiana
                                                   [Actinea leptoclada var. ivesiana]
                                            Tetraneuris linearifolia
                                                   [Actinea linearifolia]
                                                   [Tetraneuris oblongifolia]
                                            Tetraneuris scaposa
                                                   [Actinea linearis]
                                                   [Actinea scaposa var. linearis]
                                                   [Actinea scaposa]
                                            Tetraneuris torreyana
                                                   [Actinea depressa]
                                                   [Actinea torreyana]
                                    Thelesperma
                                            Thelesperma ambiguum
                                            Thelesperma burridgeanum
                                            Thelesperma filifolium
                                                   [Thelesperma filifolium var. intermedium]
                                                   [Thelesperma intermedium]
                                                   [Thelesperma trifidum]
                                            Thelesperma flavodiscum
                                            Thelesperma longipes
                                            Thelesperma megapotamicum
                                                   [Thelesperma gracile]
                                              Thelesperma megapotamicum var. ramosius
                                                     [Thelesperma ramosius]
                                            Thelesperma muelleri
                                                   [Bidens muelleri]
                                            Thelesperma nuecense
                                            Thelesperma scabridulum
                                            Thelesperma simplicifolium
                                            Thelesperma subaequale
                                            Thelesperma subnudum
                                            Thelesperma tenue
                                    Thurovia
                                            Thurovia triflora
                                    Thymophylla
                                            Thymophylla acerosa
                                                   [Dyssodia acerosa]
                                            Thymophylla aurea
                                                   [Dyssodia aurea]
                                            Thymophylla concinna
                                                   [Dyssodia concinna]
                                            Thymophylla micropoides
                                                   [Dyssodia micropoides]
                                            Thymophylla pentachaeta
                                                   [Dyssodia pentachaeta]
                                              Thymophylla pentachaeta var. belenidium
                                                     [Dyssodia pentachaeta var. belenidium]
                                                     [Dyssodia thurberi]
                                              Thymophylla pentachaeta var. hartwegii
                                                     [Dyssodia berlandieri]
                                                     [Dyssodia hartwegii]
                                              Thymophylla pentachaeta var. puberula
                                                     [Dyssodia puberula]
                                            Thymophylla setifolia
                                                   [Dyssodia setifolia]
                                              Thymophylla setifolia var. radiata
                                                     [Dyssodia greggii]
                                            Thymophylla tenuifolia
                                                   [Dyssodia diffusa]
                                                   [Dyssodia neaei]
                                                   [Dyssodia tenuifolia]
                                            Thymophylla tenuiloba
                                                   [Dyssodia tenuiloba]
                                              Thymophylla tenuiloba var. treculii
                                                     [Dyssodia tenuiloba var. treculii]
                                                     [Dyssodia treculii]
                                              Thymophylla tenuiloba var. wrightii
                                                     [Dyssodia tenuiloba var. wrightii]
                                                     [Dyssodia wrightii]
                                            Thymophylla tephroleuca
                                                   [Dyssodia tephroleuca]
                                    Tibetiodes
                                            Tibetiodes asteroides
                                                   [Aster heterochaeta]
                                            Tibetiodes falconeri
                                                   [Aster falconeri]
                                            Tibetiodes flaccida
                                                   [Aster flaccidus]
                                                   [Aster tibeticus]
                                                   [Erigeron flaccidus]
                                    Tilesia
                                            Tilesia baccata
                                                   [Wulffia baccata]
                                                   [Wulffia maculata]
                                    Tithonia
                                            Tithonia calva
                                              Tithonia calva var. auriculata
                                            Tithonia diversifolia
                                            Tithonia fruticosa
                                            Tithonia koelzii
                                            Tithonia rotundifolia
                                                   [Tithonia speciosa]
                                            Tithonia thurberi
                                            Tithonia tubaeformis
                                    Toiyabea
                                            Toiyabea eximia
                                                   [Haplopappus eximius]
                                    Tonestus
                                            Tonestus lyallii
                                                   [Haplopappus lyallii]
                                    Townsendia
                                            Townsendia annua
                                            Townsendia aprica
                                            Townsendia eximia
                                            Townsendia exscapa
                                            Townsendia fendleri
                                            Townsendia florifera
                                            Townsendia incana
                                                   [Townsendia arizonica]
                                            Townsendia mexicana
                                    Trichocoronis
                                            Trichocoronis wrightii
                                    Trichogonia
                                            Trichogonia villosa
                                    Trichoptilium
                                            Trichoptilium incisum
                                    Tridax
                                            Tridax angustifolia
                                              Tridax angustifolia var. stuebelii
                                                     [Tridax angustifolia subsp. stuebelii]
                                            Tridax balbisioides
                                            Tridax bicolor
                                            Tridax coronopifolia
                                            Tridax dubia
                                            Tridax mexicana
                                            Tridax petrophila
                                            Tridax platyphylla
                                            Tridax procumbens
                                            Tridax tenuifolia
                                            Tridax trilobata
                                    Trigonospermum
                                            Trigonospermum melampodioides
                                    Tripleurospermum
                                            Tripleurospermum caucasicum
                                            Tripleurospermum fissurale
                                            Tripleurospermum inodorum
                                                   [Matricaria perforata]
                                                   [Matricaria suaveolens]
                                            Tripleurospermum maritimum
                                              Tripleurospermum maritimum subsp. maritimum
                                                     [Chrysanthemum maritimum]
                                                     [Matricaria maritima]
                                            Tripleurospermum parviflorum
                                                   [Matricaria praecox]
                                            Tripleurospermum sannineum
                                            Tripleurospermum tetragonospermum
                                                   [Matricaria tetragonosperma]
                                    Tripolium
                                            Tripolium pannonicum
                                                   [Aster pannonicus]
                                            Tripolium sorrentinoi
                                    Triptilodiscus
                                            Triptilodiscus pygmaeus
                                                   [Helipterum dimorpholepis]
                                    Turczaninowia
                                            Turczaninowia fastigiata
                                                   [Aster fastigiatus]
                                    Tussilago
                                            Tussilago farfara
                                    Unxia
                                            Unxia camphorata
                                                   [Melampodium camphoratum]
                                    Urbinella
                                            Urbinella palmeri
                                    Ursinia
                                            Ursinia anthemoides
                                              Ursinia anthemoides subsp. anthemoides
                                                     [Ursinia pulchra]
                                            Ursinia chrysanthemoides
                                                   [Ursinia geyeri]
                                            Ursinia nana
                                              Ursinia nana subsp. nana
                                                     [Ursinia annua]
                                            Ursinia speciosa
                                    Varilla
                                            Varilla mexicana
                                            Varilla texana
                                    Venegasia
                                            Venegasia carpesioides
                                    Verbesina
                                            Verbesina alata
                                            Verbesina allophylla
                                            Verbesina alternifolia
                                                   [Actinomeris alternifolia]
                                            Verbesina apleura
                                            Verbesina aristata
                                            Verbesina auriculigera
                                            Verbesina barclayae
                                            Verbesina baruensis
                                            Verbesina boliviana
                                                   [Verbesina mandonii]
                                            Verbesina breedlovei
                                            Verbesina calciphila
                                            Verbesina callacatensis
                                            Verbesina caymanensis
                                            Verbesina coulteri
                                            Verbesina crassiramea
                                            Verbesina culminicola
                                            Verbesina cumingii
                                            Verbesina dissita
                                            Verbesina domingensis
                                                   [Verbesina litoralis]
                                            Verbesina ecuatoriana
                                            Verbesina encelioides
                                                   [Verbesina australis]
                                                   [Verbesina encelioides var. exauriculata]
                                            Verbesina furfuracea
                                            Verbesina gentryi
                                            Verbesina glabrata
                                            Verbesina guadeloupensis
                                            Verbesina harlingii
                                            Verbesina helianthoides
                                            Verbesina humboldtii
                                            Verbesina hypargyrea
                                            Verbesina kingii
                                            Verbesina klattii
                                            Verbesina lanata
                                            Verbesina liebmannii
                                            Verbesina ligulata
                                            Verbesina longifolia
                                            Verbesina longipes
                                            Verbesina macrophylla
                                            Verbesina microptera
                                                   [Verbesina texana]
                                            Verbesina minarum
                                            Verbesina minuticeps
                                            Verbesina myriocephala
                                            Verbesina nana
                                            Verbesina neriifolia
                                            Verbesina occidentalis
                                                   [Verbesina siegesbeckia]
                                            Verbesina oerstediana
                                            Verbesina oreophila
                                            Verbesina parviflora
                                            Verbesina peninsularis
                                            Verbesina persicifolia
                                                   [Verbesina lindenii]
                                            Verbesina platyptera
                                            Verbesina pseudoclaussenii
                                            Verbesina rivetii
                                            Verbesina rothrockii
                                                   [Verbesina wrightii]
                                            Verbesina rupestris
                                            Verbesina sararensis
                                            Verbesina semidecurrens
                                            Verbesina serrata
                                            Verbesina sordescens
                                            Verbesina sororia
                                            Verbesina sousae
                                            Verbesina tapantiana
                                            Verbesina tetraptera
                                            Verbesina turbacensis
                                                   [Verbesina sublobata]
                                            Verbesina villonacoensis
                                            Verbesina virgata
                                            Verbesina virginica
                                                   [Verbesina laciniata]
                                              Verbesina virginica var. palmeri
                                    Vickifunkia
                                            Vickifunkia thyrsoidea
                                                   [Senecio sibiricus]
                                    Vicoa
                                            Vicoa indica
                                                   [Inula indica]
                                            Vicoa vestita
                                                   [Inula vestita]
                                    Vieraea
                                            Vieraea laevigata
                                    Vigethia
                                            Vigethia mexicana
                                                   [Wyethia mexicana]
                                    Viguiera
                                            Viguiera dentata
                                                   [Viguiera helianthoides]
                                            Viguiera linearis
                                            Viguiera microphylla
                                            Viguiera weberbaueri
                                    Villanova
                                            Villanova dissecta
                                            Villanova oppositifolia
                                            Villanova titicacensis
                                    Vittadinia
                                            Vittadinia australis
                                            Vittadinia cuneata
                                            Vittadinia dissecta
                                            Vittadinia scabra
                                    Vogtia
                                            Vogtia annua
                                                   [Tanacetum annuum]
                                    Waitzia
                                            Waitzia acuminata
                                            Waitzia aurea
                                    Walshia
                                            Walshia kendallii
                                                   [Podolepis kendallii]
                                    Walsholaria
                                            Walsholaria muelleri
                                                   [Olearia muelleri]
                                    Wedelia
                                            Wedelia acapulcensis
                                              Wedelia acapulcensis var. hispida
                                                     [Wedelia hispida]
                                                     [Zexmenia hispida]
                                                     [Zexmenia texana]
                                              Wedelia acapulcensis var. parviceps
                                                     [Wedelia parviceps]
                                            Wedelia biflora
                                            Wedelia calycina
                                                   [Wedelia buphthalmoides]
                                                   [Wedelia jacquini]
                                            Wedelia cardenasii
                                                   [Aspilia cardenasii]
                                            Wedelia greenmanii
                                                   [Aspilia stenophylla]
                                            Wedelia montevidensis
                                                   [Aspilia buphthalmiflora]
                                              Wedelia montevidensis var. setosa
                                                     [Aspilia setosa]
                                            Wedelia oxylepis
                                            Wedelia paludosa
                                            Wedelia reflexa
                                                   [Aspilia reflexa]
                                            Wedelia scaberrima
                                            Wedelia silphioides
                                                   [Aspilia silphioides]
                                            Wedelia strigosa
                                                   [Aspilia strigosa]
                                            Wedelia subvelutina
                                    Werneria
                                            Werneria acerosa
                                                   [Xenophyllum acerosum]
                                            Werneria cochlearis
                                            Werneria graminifolia
                                            Werneria nubigena
                                            Werneria pumila
                                            Werneria pygmaea
                                            Werneria rigida
                                                   [Xenophyllum rigidum]
                                            Werneria rosea
                                                   [Xenophyllum roseum]
                                    Wilkesia
                                            Wilkesia gymnoxiphium
                                            Wilkesia hobdyi
                                    Wollastonia
                                            Wollastonia biflora
                                                   [Melanthera biflora]
                                            Wollastonia integrifolia
                                                   [Lipochaeta integrifolia]
                                            Wollastonia micrantha
                                                   [Lipochaeta micrantha var. exigua]
                                                   [Melanthera micrantha subsp. exigua]
                                              Wollastonia micrantha subsp. micrantha
                                                     [Lipochaeta micrantha]
                                    Wyethia
                                            Wyethia amplexicaulis
                                            Wyethia angustifolia
                                            Wyethia glabra
                                            Wyethia helianthoides
                                            Wyethia mollis
                                    Xanthisma
                                            Xanthisma arenarium
                                                   [Haplopappus arenarius]
                                            Xanthisma blephariphyllum
                                                   [Machaeranthera blephariphylla]
                                            Xanthisma gracile
                                                   [Haplopappus gracilis]
                                            Xanthisma grindelioides
                                                   [Haplopappus nuttallii]
                                            Xanthisma gymnocephalum
                                                   [Haplopappus gymnocephalus]
                                            Xanthisma junceum
                                                   [Haplopappus junceus]
                                            Xanthisma scabrellum
                                                   [Machaeranthera scabrella]
                                            Xanthisma spinulosum
                                                   [Haplopappus coulteri]
                                            Xanthisma tenuilobum
                                                   [Haplopappus tenuilobus]
                                            Xanthisma texanum
                                            Xanthisma viscidum
                                                   [Haplopappus viscidus]
                                    Xanthium
                                            Xanthium chinense
                                                   [Xanthium pungens]
                                            Xanthium orientale
                                                   [Xanthium californicum]
                                                   [Xanthium cavanillesii]
                                                   [Xanthium speciosum]
                                              Xanthium orientale var. italicum
                                                     [Xanthium italicum]
                                              Xanthium orientale var. saccharatum
                                                     [Xanthium echinatum]
                                                     [Xanthium saccharatum]
                                            Xanthium spinosum
                                              Xanthium spinosum subsp. spinosum
                                                     [Xanthium canadense]
                                            Xanthium strumarium
                                                   [Xanthium sibiricum]
                                    Xanthocephalum
                                            Xanthocephalum gymnospermoides
                                            Xanthocephalum humile
                                    Xenophyllum
                                            Xenophyllum crassum
                                              Xenophyllum crassum subsp. crassum
                                                     [Werneria crassa]
                                            Xenophyllum humile
                                                   [Werneria articulata]
                                            Xenophyllum poposa
                                                   [Werneria poposa]
                                    Xerochrysum
                                            Xerochrysum bracteatum
                                                   [Bracteantha bracteata]
                                                   [Helichrysum bracteatum]
                                                   [Helichrysum lucidum]
                                    Xylorhiza
                                            Xylorhiza cognata
                                                   [Aster cognatus]
                                            Xylorhiza glabriuscula
                                                   [Aster glabriusculus]
                                                   [Aster parryi]
                                            Xylorhiza tortifolia
                                                   [Aster abatus]
                                                   [Machaeranthera tortifolia]
                                            Xylorhiza wrightii
                                                   [Machaeranthera wrightii]
                                    Yermo
                                            Yermo xanthocephalus
                                    Zaluzania
                                            Zaluzania megacephala
                                                   [Zaluzania cinerascens]
                                                   [Zaluzania coulteri]
                                            Zaluzania mollissima
                                            Zaluzania parthenioides
                                                   [Zaluzania robinsonii]
                                            Zaluzania triloba
                                    Zemisia
                                            Zemisia thomasii
                                                   [Senecio thomasii]
                                    Zexmenia
                                            Zexmenia brachylepis
                                                   [Wedelia brachylepis]
                                            Zexmenia ghiesbreghtii
                                            Zexmenia helianthoides
                                            Zexmenia virgulta
                                    Zinnia
                                            Zinnia acerosa
                                                   [Zinnia pumila]
                                            Zinnia americana
                                                   [Tragoceros mocinianus]
                                                   [Tragoceros schiedeanum]
                                            Zinnia angustifolia
                                            Zinnia anomala
                                            Zinnia elegans
                                                   [Zinnia linearis var. latifolia]
                                                   [Zinnia linearis]
                                                   [Zinnia violacea]
                                            Zinnia flavicoma
                                            Zinnia grandiflora
                                            Zinnia haageana
                                            Zinnia juniperifolia
                                            Zinnia leucoglossa
                                            Zinnia maritima
                                            Zinnia oligantha
                                            Zinnia peruviana
                                                   [Zinnia multiflora]
                                                   [Zinnia pauciflora]
                                            Zinnia tenuis
                                                   [Sanvitalia tenuis]
                                            Zinnia zinnioides
                                                   [Tragoceros zinnioides]
                                    Axiniphyllum
                                            Axiniphyllum tomentosum
                              Barnadesioideae
                                    Archidasyphyllum
                                            Archidasyphyllum diacanthoides
                                                   [Dasyphyllum diacanthoides]
                                    Barnadesia
                                            Barnadesia aculeata
                                            Barnadesia ciliata
                                            Barnadesia dombeyana
                                            Barnadesia odorata
                                            Barnadesia parviflora
                                            Barnadesia polyacantha
                                            Barnadesia pycnophylla
                                                   [Barnadesia berberoides]
                                            Barnadesia spinosa
                                    Chuquiraga
                                            Chuquiraga arcuata
                                            Chuquiraga aurea
                                            Chuquiraga erinacea
                                              Chuquiraga erinacea subsp. erinacea
                                                     [Chuquiraga juniperina]
                                              Chuquiraga erinacea subsp. hystrix
                                                     [Chuquiraga hystrix]
                                            Chuquiraga jussieui
                                                   [Chuquiraga insignis]
                                                   [Chuquiraga microphylla]
                                            Chuquiraga longiflora
                                            Chuquiraga oppositifolia
                                              Chuquiraga oppositifolia var. macrocephala
                                            Chuquiraga parviflora
                                            Chuquiraga spinosa
                                              Chuquiraga spinosa subsp. rotundifolia
                                                     [Chuquiraga rotundifolia]
                                            Chuquiraga ulicina
                                              Chuquiraga ulicina subsp. acicularis
                                                     [Chuquiraga acicularis]
                                    Dasyphyllum
                                            Dasyphyllum argenteum
                                            Dasyphyllum brasiliense
                                                   [Chuquiraga brasiliensis]
                                            Dasyphyllum ferox
                                                   [Chuquiraga ferox]
                                            Dasyphyllum flagellare
                                                   [Chuquiraga regnellii]
                                            Dasyphyllum horridum
                                                   [Chuquiraga horrida]
                                            Dasyphyllum lehmannii
                                            Dasyphyllum tomentosum
                                    Doniophyton
                                            Doniophyton anomalum
                                    Barroetea
                                    Brachyactis
                                    Brachycome
                                            Brachycome iberidifolia
                                            Brachycome multifida
                              Carduoideae
                                    Amberboa
                                            Amberboa moschata
                                                   [Centaurea moschata]
                                    Ancathia
                                    Arctium
                                            Arctium lappa
                                            Arctium minus
                                              Arctium minus subsp. minus
                                                     [Arctium minus var. corymbosum]
                                            Arctium nemorosum
                                            Arctium tomentosum
                                            Arctium triflorum
                                                   [Cousinia triflora]
                                    Atractylis
                                            Atractylis arbuscula
                                            Atractylis cancellata
                                            Atractylis preauxiana
                                            Atractylis prolifera
                                    Atractylodes
                                            Atractylodes lancea
                                                   [Atractylis chinensis]
                                                   [Atractylis japonica]
                                                   [Atractylis lyrata]
                                                   [Atractylis ovata]
                                                   [Atractylodes japonica]
                                                   [Atractylodes ovata]
                                    Berardia
                                            Berardia lanuginosa
                                                   [Berardia subacaulis]
                                    Cardopatium
                                            Cardopatium corymbosum
                                    Carduncellus
                                            Carduncellus caeruleus
                                                   [Carduncellus multifidus]
                                                   [Carthamus caeruleus]
                                            Carduncellus carthamoides
                                                   [Carthamus carthamoides]
                                            Carduncellus duvauxii
                                            Carduncellus helenioides
                                                   [Carthamus helenioides]
                                            Carduncellus mitissimus
                                            Carduncellus pectinatus
                                                   [Carthamus pectinatus]
                                    Carduus
                                            Carduus acanthoides
                                            Carduus acicularis
                                            Carduus arctioides
                                            Carduus argentatus
                                            Carduus bourgeanus
                                                   [Carduus reuterianus]
                                            Carduus carduelis
                                                   [Carduus canduelis]
                                            Carduus carlinifolius
                                            Carduus cephalanthus
                                            Carduus collinus
                                              Carduus collinus subsp. collinus
                                                     [Cnicus polyanthemus]
                                            Carduus crispus
                                              Carduus crispus subsp. multiflorus
                                                     [Carduus crispus var. multiflorus]
                                            Carduus defloratus
                                            Carduus edelbergii
                                            Carduus fasciculiflorus
                                            Carduus glaucus
                                            Carduus hamulosus
                                            Carduus leptacanthus
                                            Carduus leptocladus
                                            Carduus macrocephalus
                                            Carduus mollis
                                            Carduus nervosus
                                            Carduus nutans
                                              Carduus nutans subsp. leiophyllus
                                                     [Carduus nutans subsp. macrolepis]
                                              Carduus nutans subsp. nutans
                                                     [Carduus thoermeri]
                                            Carduus nyassanus
                                            Carduus personata
                                              Carduus personata subsp. personata
                                                     [Carduus personatus]
                                            Carduus pycnocephalus
                                              Carduus pycnocephalus subsp. cinereus
                                                     [Carduus beckerianus]
                                                     [Carduus cinereus]
                                            Carduus tenuiflorus
                                            Carduus transcaspicus
                                            Carduus uncinatus
                                    Carlina
                                            Carlina acanthifolia
                                              Carlina acanthifolia subsp. utzka
                                                     [Carlina onopordifolia]
                                            Carlina acaulis
                                            Carlina canariensis
                                            Carlina corymbosa
                                            Carlina diae
                                            Carlina involucrata
                                            Carlina lanata
                                            Carlina longifolia
                                              Carlina longifolia var. brevibracteata
                                            Carlina macrocephala
                                            Carlina salicifolia
                                            Carlina vulgaris
                                            Carlina xeranthemoides
                                    Carthamus
                                            Carthamus glaucus
                                            Carthamus lanatus
                                            Carthamus multifidus
                                            Carthamus persicus
                                                   [Carthamus flavescens]
                                            Carthamus tenuis
                                              Carthamus tenuis subsp. foliosus
                                            Carthamus tinctorius
                                    Centaurea
                                            Centaurea adpressa
                                            Centaurea aegyptiaca
                                            Centaurea affinis
                                            Centaurea akamantis
                                            Centaurea alba
                                              Centaurea alba subsp. sterilis
                                                     [Centaurea sterilis]
                                            Centaurea amara
                                            Centaurea americana
                                            Centaurea ammocyanus
                                            Centaurea angustifolia
                                            Centaurea antennata
                                            Centaurea araneosa
                                            Centaurea aspera
                                            Centaurea atropurpurea
                                            Centaurea attica
                                              Centaurea attica subsp. megarensis
                                            Centaurea austriaca
                                            Centaurea avilae
                                            Centaurea babylonica
                                            Centaurea baldaccii
                                            Centaurea behen
                                            Centaurea benedicta
                                                   [Cnicus benedictus]
                                            Centaurea boissieri
                                              Centaurea boissieri subsp. pinae
                                                     [Centaurea pinae]
                                            Centaurea borjae
                                            Centaurea calcitrapa
                                              Centaurea calcitrapa subsp. calcitrapa
                                                     [Centaurea pouzini]
                                            Centaurea carniolica
                                                   [Centaurea dubia subsp. vochinensis]
                                            Centaurea caroli-henrici
                                            Centaurea carratracensis
                                            Centaurea cheiranthifolia
                                              Centaurea cheiranthifolia subsp. cheiranthifolia
                                                     [Centaurea fischeri]
                                            Centaurea cineraria
                                            Centaurea collina
                                            Centaurea corymbosa
                                            Centaurea cuneifolia
                                              Centaurea cuneifolia subsp. pallida
                                                     [Centaurea cuneifolia var. sublanata]
                                                     [Centaurea sublanata]
                                            Centaurea cyanoides
                                            Centaurea cyanus
                                            Centaurea daralagoezica
                                            Centaurea dealbata
                                            Centaurea decipiens
                                            Centaurea demirizii
                                            Centaurea depressa
                                            Centaurea deusta
                                              Centaurea deusta subsp. leucolepis
                                                     [Centaurea corensis]
                                            Centaurea diffusa
                                            Centaurea diluta
                                              Centaurea diluta subsp. algeriensis
                                                     [Centaurea algeriensis]
                                            Centaurea divergens
                                            Centaurea drabifolioides
                                            Centaurea dracunculifolia
                                            Centaurea dubia
                                            Centaurea dubjanskyi
                                            Centaurea eryngioides
                                            Centaurea ferox
                                            Centaurea floccosa
                                            Centaurea fragilis
                                                   [Centaurea fragilis var. subinermis]
                                            Centaurea gadorensis
                                            Centaurea gallaecica
                                            Centaurea grisebachii
                                              Centaurea grisebachii subsp. confusa
                                                     [Centaurea confusa]
                                            Centaurea gymnocarpa
                                            Centaurea heldreichii
                                            Centaurea heterocarpa
                                            Centaurea horrida
                                            Centaurea hyalolepis
                                            Centaurea iberica
                                            Centaurea immanuelis-loewii
                                            Centaurea imperialis
                                            Centaurea indurata
                                            Centaurea infestans
                                            Centaurea involucrata
                                            Centaurea jacea
                                            Centaurea janeri
                                              Centaurea janeri subsp. babiana
                                            Centaurea jankae
                                            Centaurea kalambakensis
                                            Centaurea kotschyana
                                            Centaurea lacerata
                                                   [Centaurea affinis subsp. lacerata]
                                            Centaurea lancifolia
                                                   [Wagenitzia lancifolia]
                                            Centaurea leptophylla
                                            Centaurea macrocephala
                                            Centaurea maculosa
                                            Centaurea maroccana
                                            Centaurea melitensis
                                            Centaurea micrantha
                                            Centaurea mollis
                                            Centaurea montana
                                            Centaurea mouterdei
                                            Centaurea muricata
                                            Centaurea musakii
                                            Centaurea nana
                                            Centaurea niederi
                                            Centaurea nigra
                                              Centaurea nigra subsp. endressii
                                                     [Centaurea nigra f. radiata]
                                              Centaurea nigra subsp. nemoralis
                                                     [Centaurea nemoralis]
                                            Centaurea nigrescens
                                            Centaurea odessana
                                            Centaurea ornata
                                            Centaurea oxylepis
                                            Centaurea pallescens
                                              Centaurea pallescens subsp. calcitrapella
                                            Centaurea paniculata
                                            Centaurea parviflora
                                            Centaurea pelia
                                            Centaurea peucedanifolia
                                            Centaurea phaeolepis
                                            Centaurea phrygia
                                            Centaurea podospermifolia
                                            Centaurea praecox
                                            Centaurea princeps
                                            Centaurea procurrens
                                            Centaurea pseudoleucolepis
                                            Centaurea pseudophrygia
                                            Centaurea pubescens
                                              Centaurea pubescens subsp. omphalotricha
                                                     [Centaurea omphalotricha]
                                            Centaurea pulchella
                                            Centaurea pullata
                                            Centaurea pulvinata
                                            Centaurea pungens
                                            Centaurea ragusina
                                            Centaurea resupinata
                                              Centaurea resupinata subsp. resupinata
                                                     [Centaurea lagascae]
                                            Centaurea rhizantha
                                            Centaurea rhizocalathium
                                            Centaurea rigida
                                            Centaurea salonitana
                                            Centaurea scabiosa
                                              Centaurea scabiosa subsp. scabiosa
                                                     [Centaurea scabiosa var. dissecta]
                                            Centaurea solstitialis
                                            Centaurea soskae
                                            Centaurea spinulosa
                                            Centaurea stenolepis
                                                   [Centaurea cetia]
                                            Centaurea stoebe
                                              Centaurea stoebe subsp. stoebe
                                                     [Centaurea rhenana]
                                            Centaurea sulphurea
                                            Centaurea tenuifolia
                                            Centaurea triumfetti
                                            Centaurea triumfettii
                                              Centaurea triumfettii subsp. axillaris
                                                     [Centaurea axillaris]
                                                     [Centaurea cana]
                                            Centaurea tymphaea
                                            Centaurea vandasii
                                            Centaurea vavilovii
                                            Centaurea verutum
                                            Centaurea virgata
                                              Centaurea virgata subsp. squarrosa
                                                     [Centaurea squarrosa]
                                            Centaurea vochinensis
                                            Centaurea woronowii
                                    Centaurothamnus
                                            Centaurothamnus maximus
                                                   [Centaurea verbascifolia]
                                    Chardinia
                                            Chardinia orientalis
                                                   [Chardinia xeranthemoides]
                                    Cheirolophus
                                            Cheirolophus arbutifolius
                                                   [Centaurea arbutifolia]
                                            Cheirolophus canariensis
                                                   [Centaurea canariensis]
                                            Cheirolophus crassifolius
                                            Cheirolophus duranii
                                            Cheirolophus falcisectus
                                            Cheirolophus ghomerythus
                                            Cheirolophus junonianus
                                                   [Centaurea junoniana]
                                            Cheirolophus massonianus
                                            Cheirolophus metlesicsii
                                            Cheirolophus santos-abreui
                                            Cheirolophus satarataensis
                                            Cheirolophus tagananensis
                                            Cheirolophus teydis
                                                   [Centaurea arguta]
                                    Cirsium
                                           [Cnicus lanceolatus]
                                            Cirsium acaule
                                              Cirsium acaule subsp. acaule
                                                     [Cnicus acaulis]
                                              Cirsium acaule var. caulescens
                                            Cirsium albowianum
                                            Cirsium alpicola
                                                   [Cirsium inundatum subsp. alpicola]
                                            Cirsium altissimum
                                            Cirsium amplexifolium
                                            Cirsium andersonii
                                            Cirsium andrewsii
                                                   [Cirsium amplifolium]
                                            Cirsium arachnoideum
                                            Cirsium arizonicum
                                                   [Cirsium nidulum]
                                              Cirsium arizonicum var. bipinnatum
                                                     [Cirsium pulchellum]
                                              Cirsium arizonicum var. rothrockii
                                                     [Cirsium rothrockii]
                                            Cirsium arvense
                                                   [Cnicus arvensis]
                                              Cirsium arvense var. integrifolium
                                                     [Cirsium arvense f. albiflorum]
                                                     [Cirsium arvense var. mite]
                                                     [Cirsium segetum]
                                                     [Cirsium setosum]
                                              Cirsium arvense var. vestitum
                                                     [Cirsium incanum]
                                            Cirsium bitchuense
                                            Cirsium boninense
                                            Cirsium borealinipponense
                                            Cirsium brevicaule
                                            Cirsium brevifolium
                                                   [Cirsium palousense]
                                            Cirsium brevistylum
                                            Cirsium buergeri
                                            Cirsium bulbosum
                                            Cirsium candelabrum
                                            Cirsium canescens
                                                   [Carduus plattensis]
                                                   [Cirsium nelsonii]
                                            Cirsium canum
                                                   [Cnicus canus]
                                            Cirsium carniolicum
                                              Cirsium carniolicum subsp. carniolicum
                                                     [Cnicus carniolicus]
                                              Cirsium carniolicum subsp. rufescens
                                                     [Cnicus rufescens]
                                            Cirsium carolinianum
                                            Cirsium chinense
                                            Cirsium clavatum
                                              Cirsium clavatum var. americanum
                                                     [Cirsium centaureae]
                                            Cirsium conspicuum
                                            Cirsium coulteri
                                            Cirsium crassicaule
                                            Cirsium creticum
                                            Cirsium cymosum
                                              Cirsium cymosum var. canovirens
                                            Cirsium dipsacolepis
                                            Cirsium discolor
                                                   [Cirsium discolor f. albiflorum]
                                            Cirsium dissectum
                                                   [Cirsium anglicum]
                                            Cirsium douglasii
                                              Cirsium douglasii var. breweri
                                                     [Cirsium breweri]
                                            Cirsium drummondii
                                            Cirsium ducellieri
                                            Cirsium eatonii
                                              Cirsium eatonii var. clokeyi
                                                     [Cirsium clokeyi]
                                              Cirsium eatonii var. eriocephalum
                                                     [Cirsium scopulorum]
                                            Cirsium edule
                                            Cirsium eliasianum
                                            Cirsium engelmannii
                                                   [Cirsium terrae-nigrae]
                                            Cirsium eriophorum
                                                   [Cnicus eriophorus]
                                            Cirsium esculentum
                                            Cirsium excelsius
                                            Cirsium falconeri
                                                   [Cnicus falconeri]
                                            Cirsium flodmanii
                                                   [Cirsium oblanceolatum]
                                            Cirsium foliosum
                                            Cirsium fontinale
                                              Cirsium fontinale var. campylon
                                                     [Cirsium campylon]
                                              Cirsium fontinale var. fontinale
                                              Cirsium fontinale var. obispoense
                                            Cirsium furiens
                                            Cirsium furusei
                                            Cirsium heiianum
                                            Cirsium henryi
                                            Cirsium heterophyllum
                                                   [Cirsium helenioides]
                                                   [Cnicus heterophyllus]
                                            Cirsium hookerianum
                                            Cirsium horridulum
                                                   [Cirsium horridulum f. elliottii]
                                              Cirsium horridulum var. vittatum
                                                     [Cirsium vittatum]
                                            Cirsium hydrophilum
                                              Cirsium hydrophilum var. hydrophilum
                                            Cirsium inamoenum
                                                   [Cirsium subniveum]
                                            Cirsium inerme
                                            Cirsium inundatum
                                            Cirsium japonicum
                                                   [Cnicus japonicus]
                                            Cirsium kagamontanum
                                            Cirsium kamtschaticum
                                            Cirsium lanceolatum
                                            Cirsium laniflorum
                                                   [Cirsium sublaniflorum]
                                            Cirsium latifolium
                                            Cirsium lecontei
                                            Cirsium lineare
                                            Cirsium longistylum
                                            Cirsium maackii
                                                   [Cirsium japonicum var. ussuriense]
                                            Cirsium magofukui
                                            Cirsium maritimum
                                            Cirsium mexicanum
                                            Cirsium microspicatum
                                              Cirsium microspicatum var. kiotoense
                                            Cirsium mohavense
                                            Cirsium monocephalum
                                            Cirsium monspessulanum
                                            Cirsium muticum
                                            Cirsium neomexicanum
                                                   [Cirsium utahense]
                                            Cirsium nipponicum
                                              Cirsium nipponicum var. incomptum
                                                     [Cirsium tanakae]
                                              Cirsium nipponicum var. yoshinoi
                                            Cirsium norikurense
                                            Cirsium nuttalii
                                                   [Cnicus nuttallii]
                                            Cirsium oblongifolium
                                            Cirsium occidentale
                                              Cirsium occidentale var. californicum
                                                     [Cirsium californicum]
                                              Cirsium occidentale var. candidissimum
                                                     [Cirsium pastoris]
                                              Cirsium occidentale var. coulteri
                                            Cirsium ochrocentrum
                                                   [Cnicus ochrocentrus]
                                            Cirsium oleraceum
                                                   [Cirsium tataricum]
                                                   [Cnicus lachenalii]
                                                   [Cnicus oleraceus]
                                            Cirsium oligophyllum
                                              Cirsium oligophyllum var. nikkoense
                                                     [Cirsium nikkoense]
                                            Cirsium palustre
                                            Cirsium pannonicum
                                            Cirsium parryi
                                                   [Cirsium pallidum]
                                            Cirsium pendulum
                                            Cirsium pitcheri
                                            Cirsium pringlei
                                            Cirsium pulcherrimum
                                            Cirsium pumilum
                                                   [Carduus odoratus]
                                                   [Cnicus pumilus]
                                              Cirsium pumilum var. hillii
                                                     [Cirsium hillii]
                                            Cirsium purpuratum
                                            Cirsium quercetorum
                                            Cirsium remotifolium
                                            Cirsium repandum
                                            Cirsium rhaphilepis
                                            Cirsium rhothophilum
                                            Cirsium rivulare
                                                   [Cnicus rivularis]
                                            Cirsium scariosum
                                              Cirsium scariosum var. americanum
                                                     [Cirsium acaulescens]
                                                     [Cirsium americanum]
                                                     [Cirsium drummondii var. acaulescens]
                                                     [Cirsium tioganum]
                                              Cirsium scariosum var. citrinum
                                                     [Cirsium loncholepis]
                                              Cirsium scariosum var. coloradense
                                                     [Cirsium coloradense]
                                            Cirsium schantarense
                                            Cirsium setidens
                                            Cirsium shansiense
                                                   [Cirsium lineare var. intermedium]
                                            Cirsium sieboldii
                                            Cirsium spicatum
                                            Cirsium spinosissimum
                                            Cirsium subcoriaceum
                                                   [Cirsium heterolepis]
                                                   [Cirsium pinnatisectum]
                                            Cirsium texanum
                                                   [Cirsium greenei]
                                            Cirsium tracyi
                                            Cirsium tuberosum
                                                   [Cnicus tuberosus]
                                            Cirsium turneri
                                            Cirsium undulatum
                                                   [Cirsium megacephalum]
                                            Cirsium verutum
                                                   [Cnicus involucratus]
                                            Cirsium vinaceum
                                            Cirsium virginianum
                                            Cirsium vulgare
                                                   [Carduus lanceolatus]
                                            Cirsium wallichii
                                                   [Cnicus wallichii]
                                            Cirsium wheeleri
                                            Cirsium wrightii
                                            Cirsium × ochroleucum
                                                   [Cnicus ochroleucus]
                                            Cnicus palustris
                                            Cnicus spinosissimus
                                    Cousinia
                                            Cousinia acanthoblephara
                                            Cousinia araxena
                                            Cousinia crispa
                                                   [Arctium crispum]
                                            Cousinia dissecta
                                            Cousinia iljinii
                                            Cousinia knorringiae
                                            Cousinia libanotica
                                                   [Cousinia hermonis]
                                            Cousinia lomakinii
                                            Cousinia macrocephala
                                                   [Cousinia gabrieljaniae]
                                                   [Cousinia takhtajanii]
                                            Cousinia microcarpa
                                            Cousinia prolifera
                                                   [Cousinia minuta]
                                            Cousinia smirnowii
                                            Cousinia woronowii
                                    Crocodylium
                                            Crocodylium crocodylium
                                                   [Centaurea crocodylium]
                                    Crupina
                                            Crupina crupinastrum
                                            Crupina vulgaris
                                    Cynara
                                            Cynara cardunculus
                                            Cynara humilis
                                            Cynara scolymus
                                    Dolomiaea
                                            Dolomiaea costus
                                                   [Saussurea costus]
                                                   [Saussurea lappa]
                                    Echinops
                                            Echinops adenocaulos
                                            Echinops amplexicaulis
                                            Echinops angustilobus
                                            Echinops cornigerus
                                            Echinops davuricus
                                                   [Echinops latifolius]
                                            Echinops dissectus
                                                   [Echinops gmelini]
                                            Echinops echinatus
                                            Echinops ellenbeckii
                                            Echinops exaltatus
                                                   [Echinops commutatus]
                                            Echinops foliosus
                                            Echinops guineensis
                                            Echinops humilis
                                                   [Echinops dahuricus]
                                            Echinops niveus
                                            Echinops polyceras
                                            Echinops ritro
                                              Echinops ritro subsp. meyeri
                                                     [Echinops meyeri]
                                            Echinops ruthenicus
                                            Echinops setifer
                                            Echinops sintenisii
                                            Echinops sphaerocephalus
                                              Echinops sphaerocephalus subsp. sphaerocephalus
                                                     [Echinops erevanensis]
                                            Echinops spinosissimus
                                            Echinops spinosus
                                            Echinops talassicus
                                    Galactites
                                            Galactites tomentosa
                                    Goniocaulon
                                            Goniocaulon indicum
                                                   [Goniocaulon glabrum]
                                    Hemisteptia
                                            Hemisteptia lyrata
                                                   [Saussurea affinis]
                                                   [Saussurea lyrata]
                                    Himalaiella
                                            Himalaiella chenopodiifolia
                                                   [Saussurea decurrens]
                                    Hirtellina
                                            Hirtellina lobelii
                                                   [Staehelina apiculata]
                                    Jurinea
                                            Jurinea akinfievii
                                            Jurinea alata
                                            Jurinea antonowi
                                            Jurinea bellidioides
                                            Jurinea blanda
                                                   [Jurinea exuberans]
                                            Jurinea brachypappa
                                            Jurinea calcarea
                                            Jurinea carduiformis
                                            Jurinea coronopifolia
                                            Jurinea cretacea
                                            Jurinea cyanoides
                                            Jurinea fontqueri
                                            Jurinea galushkoi
                                            Jurinea iljinii
                                            Jurinea ledebourii
                                                   [Jurinea sordida]
                                            Jurinea longifolia
                                                   [Jurinea laxa]
                                            Jurinea macrocephala
                                            Jurinea mollis
                                              Jurinea mollis subsp. mollis
                                                     [Serratula mollis]
                                            Jurinea multiflora
                                            Jurinea praetermissa
                                            Jurinea sintenisii
                                            Jurinea sosnowskyi
                                            Jurinea stoechadifolia
                                            Jurinea woronowii
                                    Klasea
                                            Klasea cerinthifolia
                                                   [Serratula cerinthifolia]
                                            Klasea flavescens
                                              Klasea flavescens subsp. flavescens
                                                     [Serratula flavescens]
                                            Klasea latifolia
                                                   [Schumeria latifolia]
                                            Klasea litwinowii
                                                   [Schumeria litwinowii]
                                            Klasea marginata
                                                   [Serratula marginata]
                                            Klasea mouterdei
                                            Klasea nudicaulis
                                                   [Serratula nudicaulis]
                                            Klasea pallida
                                                   [Serratula pallida]
                                            Klasea radiata
                                              Klasea radiata subsp. gmelinii
                                                     [Serratula gmelinii]
                                              Klasea radiata subsp. radiata
                                                     [Serratula heterophylla]
                                                     [Serratula radiata]
                                    Lamyropsis
                                            Lamyropsis microcephala
                                    Leuzea
                                            Leuzea altaica
                                                   [Centaurea altaica]
                                            Leuzea cynaroides
                                                   [Stemmacantha cynaroides]
                                    Lipschitziella
                                            Lipschitziella albescens
                                                   [Saussurea albescens]
                                            Lipschitziella auriculata
                                                   [Saussurea hypoleuca]
                                            Lipschitziella ceratocarpa
                                                   [Jurinea ceratocarpa]
                                            Lipschitziella deltoidea
                                                   [Saussurea formosana]
                                                   [Saussurea lamprocarpa]
                                    Lophiolepis
                                            Lophiolepis czerkessica
                                                   [Cirsium czerkessicum]
                                            Lophiolepis davisiana
                                                   [Cirsium davisianum]
                                            Lophiolepis trachylepis
                                                   [Cirsium trachylepis]
                                    Mantisalca
                                            Mantisalca salmantica
                                                   [Centaurea salmantica]
                                    Myopordon
                                            Myopordon pulchellum
                                    Notobasis
                                            Notobasis syriaca
                                                   [Cnicus syriacus]
                                    Olgaea
                                            Olgaea thomsonii
                                                   [Carduus thomsonii]
                                    Oligochaeta
                                            Oligochaeta ramosa
                                                   [Centaurea divaricata]
                                    Onopordum
                                            Onopordum acanthium
                                            Onopordum algeriense
                                            Onopordum arenarium
                                            Onopordum bracteatum
                                            Onopordum carduelium
                                            Onopordum macracanthum
                                                   [Onopordum nogalesii]
                                            Onopordum palaestinum
                                            Onopordum syriacum
                                            Onopordum tauricum
                                    Picnomon
                                            Picnomon acarna
                                                   [Cirsium acarna]
                                                   [Cnicus acarna]
                                    Plectocephalus
                                            Plectocephalus atacamensis
                                                   [Centaurea atacamensis]
                                            Plectocephalus bulbosus
                                                   [Centaurea bulbosa]
                                            Plectocephalus cachinalensis
                                                   [Centaurea cachinalensis]
                                            Plectocephalus chilensis
                                                   [Centaurea chilensis var. stenolepis]
                                                   [Centaurea chilensis]
                                            Plectocephalus dracaenoides
                                                   [Centaurodendron dracaenoides]
                                                   [Centaurodendron palmiforme]
                                            Plectocephalus rothrockii
                                                   [Centaurea rothrockii]
                                            Plectocephalus varians
                                                   [Centaurea abyssinica]
                                    Psephellus
                                            Psephellus abchasicus
                                                   [Centaurea abchasica]
                                            Psephellus adjaricus
                                            Psephellus appendicigerus
                                            Psephellus avaricus
                                            Psephellus boissieri
                                            Psephellus cronquistii
                                            Psephellus debedicus
                                            Psephellus declinatus
                                                   [Centaurea declinata]
                                            Psephellus erivanensis
                                            Psephellus galushkoi
                                            Psephellus geghamensis
                                            Psephellus gracillimus
                                            Psephellus kolakovskyi
                                            Psephellus manakyanii
                                            Psephellus pecho
                                            Psephellus pulcherrimus
                                                   [Centaurea pulcherrima]
                                            Psephellus ruprechtii
                                            Psephellus sintenisii
                                                   [Centaurea sintenisiana]
                                            Psephellus straminicephalus
                                            Psephellus taochius
                                            Psephellus troitzkyi
                                            Psephellus zangezuri
                                    Ptilostemon
                                            Ptilostemon casabonae
                                                   [Cirsium trispinosum]
                                            Ptilostemon diacantha
                                              Ptilostemon diacantha subsp. diacantha
                                                     [Cnicus diacantha]
                                            Ptilostemon echinocephalus
                                                   [Cirsium echinocephalum]
                                            Ptilostemon greuteri
                                    Rhaponticoides
                                            Rhaponticoides hajastana
                                                   [Centaurea hajastana]
                                            Rhaponticoides tamanianae
                                                   [Centaurea tamanianiae]
                                    Rhaponticum
                                            Rhaponticum centauroides
                                                   [Cnicus centauroides]
                                            Rhaponticum coniferum
                                                   [Centaurea conifera]
                                            Rhaponticum repens
                                                   [Centaurea picris]
                                                   [Centaurea repens]
                                            Rhaponticum uniflorum
                                              Rhaponticum uniflorum subsp. uniflorum
                                                     [Centaurea monanthos]
                                    Saussurea
                                            Saussurea alpina
                                                   [Saussurea monticola]
                                                   [Saussurea subsinuata]
                                            Saussurea amara
                                                   [Saussurea glomerata]
                                            Saussurea americana
                                            Saussurea andryaloides
                                                   [Saussurea falconeri]
                                            Saussurea angustifolia
                                            Saussurea brachycephala
                                            Saussurea bracteata
                                                   [Saussurea schultzii]
                                            Saussurea calcicola
                                            Saussurea candolleana
                                            Saussurea controversa
                                            Saussurea conyzoides
                                                   [Saussurea silvestrii]
                                            Saussurea cordifolia
                                            Saussurea deltoides
                                            Saussurea discolor
                                            Saussurea dorogostaiskii
                                            Saussurea glacialis
                                            Saussurea gnaphalodes
                                                   [Saussurea sorocephala]
                                            Saussurea graminifolia
                                            Saussurea insularis
                                            Saussurea japonica
                                            Saussurea kubotae
                                              Saussurea kubotae var. yuparensis
                                                     [Saussurea riederi var. yuparensis]
                                            Saussurea laniceps
                                                   [Saussurea gossypiphora]
                                            Saussurea latifolia
                                            Saussurea leontodontoides
                                                   [Saussurea kunthiana]
                                            Saussurea maximowiczii
                                            Saussurea modesta
                                                   [Saussurea kirigaminensis]
                                            Saussurea nikoensis
                                            Saussurea nipponica
                                              Saussurea nipponica subsp. savatieri
                                                     [Saussurea nipponica var. savatieri]
                                                     [Saussurea sawadae]
                                            Saussurea nuda
                                                   [Saussurea densa]
                                            Saussurea parviflora
                                            Saussurea pricei
                                            Saussurea pulchella
                                            Saussurea riederi
                                              Saussurea riederi var. insularis
                                            Saussurea roylei
                                            Saussurea salicifolia
                                            Saussurea salsa
                                            Saussurea schanginiana
                                            Saussurea sinuatoides
                                            Saussurea tanakae
                                            Saussurea triangulata
                                            Saussurea triptera
                                            Saussurea ussuriensis
                                            Saussurea veitchiana
                                    Serratula
                                            Serratula centauroides
                                            Serratula coronata
                                              Serratula coronata subsp. coronata
                                                     [Serratula wolffii]
                                            Serratula pungens
                                            Serratula tinctoria
                                              Serratula tinctoria var. alpina
                                                     [Serratula monticola]
                                    Shangwua
                                            Shangwua jacea
                                                   [Saussurea jacea]
                                    Siebera
                                            Siebera pungens
                                    Silybum
                                            Silybum marianum
                                    Staehelina
                                            Staehelina dubia
                                                   [Staehelina dubia var. macrocephala]
                                    Synurus
                                            Synurus deltoides
                                            Synurus excelsus
                                            Synurus pungens
                                    Tricholepis
                                            Tricholepis elongata
                                            Tricholepis furcata
                                            Tricholepis glaberrima
                                            Tricholepis tibetica
                                    Tyrimnus
                                            Tyrimnus leucographus
                                    Volutaria
                                            Volutaria lippii
                                              Volutaria lippii subsp. lippii
                                                     [Centaurea lippii]
                                    Xeranthemum
                                            Xeranthemum annuum
                                            Xeranthemum cylindraceum
                                            Xeranthemum inapertum
                                    Zoegea
                                            Zoegea crinita
                                              Zoegea crinita subsp. baldschuanica
                                                     [Zoegea baldschuanica]
                                    Cephalophora
                                            Cephalophora borchersi
                              Cichorioideae
                                    Achyrophorus
                                            Achyrophorus laevigatus
                                                   [Hypochaeris laevigata]
                                    Agoseris
                                            Agoseris apargioides
                                              Agoseris apargioides var. eastwoodiae
                                              Agoseris apargioides var. maritima
                                            Agoseris aurantiaca
                                                   [Agoseris gracilens]
                                                   [Troximon arachnoideum]
                                                   [Troximon gracilens]
                                              Agoseris aurantiaca var. purpurea
                                                     [Agoseris arizonica]
                                                     [Agoseris graminifolia]
                                            Agoseris coronopifolia
                                            Agoseris glauca
                                              Agoseris glauca var. dasycephala
                                              Agoseris glauca var. glauca
                                            Agoseris grandiflora
                                            Agoseris heterophylla
                                                   [Agoseris heterophylla var. kymapleura]
                                              Agoseris heterophylla subsp. normalis
                                              Agoseris heterophylla var. cryptopleura
                                                     [Agoseris heterophylla var. californica]
                                                     [Agoseris heterophylla var. crenulata]
                                            Agoseris monticola
                                                   [Agoseris glauca var. monticola]
                                            Agoseris parviflora
                                                   [Agoseris glauca var. laciniata]
                                                   [Agoseris glauca var. parviflora]
                                            Agoseris retrorsa
                                            Agoseris taraxacifolia
                                    Andryala
                                            Andryala arenaria
                                            Andryala chevallieri
                                            Andryala cossyrensis
                                            Andryala crithmifolia
                                            Andryala dentata
                                            Andryala glandulosa
                                              Andryala glandulosa subsp. cheiranthifolia
                                                     [Andryala varia]
                                            Andryala integrifolia
                                                   [Andryala mollis]
                                            Andryala pinnatifida
                                            Andryala ragusina
                                    Anisocoma
                                            Anisocoma acaulis
                                    Aposeris
                                            Aposeris foetida
                                    Arnoseris
                                            Arnoseris minima
                                                   [Arnoseris pusilla]
                                    Askellia
                                            Askellia elegans
                                                   [Crepis elegans]
                                            Askellia flexuosa
                                                   [Crepis flexuosa]
                                            Askellia pygmaea
                                                   [Crepis nana subsp. ramosa]
                                                   [Crepis nana]
                                    Aslia
                                            Aslia libanotica
                                                   [Scorzonera libanotica]
                                    Atrichoseris
                                            Atrichoseris platyphylla
                                    Avellara
                                            Avellara fistulosa
                                    Bocquetia
                                            Bocquetia lanata
                                                   [Scorzonera czerepanovii]
                                    Calycoseris
                                            Calycoseris parryi
                                            Calycoseris wrightii
                                    Candollea
                                    Catananche
                                            Catananche caerulea
                                            Catananche lutea
                                    Chaetadelpha
                                            Chaetadelpha wheeleri
                                    Chondrilla
                                            Chondrilla ambigua
                                            Chondrilla bosseana
                                            Chondrilla brevirostris
                                            Chondrilla juncea
                                            Chondrilla setulosa
                                    Cicerbita
                                            Cicerbita alpina
                                                   [Lactuca alpina]
                                            Cicerbita petiolata
                                                   [Prenanthes petiolata]
                                    Cichorium
                                            Cichorium endivia
                                            Cichorium intybus
                                            Cichorium pumilum
                                                   [Cichorium endivia subsp. divaricatum]
                                    Crepidiastrum
                                            Crepidiastrum akagii
                                                   [Youngia tenuicaulis]
                                            Crepidiastrum denticulatum
                                              Crepidiastrum denticulatum subsp. denticulatum
                                                     [Ixeris denticulata]
                                                     [Lactuca denticulata]
                                                     [Paraixeris denticulata]
                                                     [Youngia denticulata f. pinnatipartita]
                                                     [Youngia denticulata]
                                            Crepidiastrum diversifolium
                                                   [Youngia tenuifolia subsp. diversifolia]
                                            Crepidiastrum keiskeanum
                                                   [Lactuca keiskeana]
                                            Crepidiastrum lanceolatum
                                            Crepidiastrum linguifolium
                                            Crepidiastrum sonchifolium
                                              Crepidiastrum sonchifolium subsp. sonchifolium
                                                     [Ixeris denticulata subsp. sonchifolia]
                                                     [Ixeris sonchifolia]
                                                     [Youngia sonchifolia]
                                            Crepidiastrum tenuifolium
                                                   [Youngia tenuifolia]
                                    Crepis
                                            Crepis achyrophoroides
                                            Crepis acuminata
                                            Crepis albida
                                              Crepis albida subsp. macrocephala
                                            Crepis alpestris
                                                   [Hieracium alpestre]
                                            Crepis alpina
                                            Crepis arabica
                                            Crepis arenaria
                                              Crepis arenaria subsp. suberostris
                                                     [Crepis suberostris]
                                            Crepis aspera
                                            Crepis atribarba
                                                   [Crepis exilis]
                                            Crepis aurea
                                            Crepis bakeri
                                            Crepis barbigera
                                            Crepis blattarioides
                                                   [Crepis austriaca]
                                            Crepis bursifolia
                                            Crepis capillaris
                                                   [Crepis cooperi]
                                                   [Crepis virens]
                                            Crepis chondrilloides
                                            Crepis chrysantha
                                              Crepis chrysantha subsp. chrysantha
                                                     [Crepis polytricha]
                                            Crepis crocea
                                            Crepis dioscoridis
                                                   [Crepis tubaeformis]
                                            Crepis foetida
                                              Crepis foetida subsp. rhoeadifolia
                                                     [Crepis rhoeadifolia]
                                            Crepis glauca
                                            Crepis granatensis
                                            Crepis gymnopus
                                                   [Youngia gymnopus]
                                            Crepis hokkaidoensis
                                            Crepis intermedia
                                                   [Crepis acuminata var. intermedia]
                                            Crepis interrupta
                                            Crepis jacquinii
                                            Crepis kashmirica
                                            Crepis kotschyana
                                                   [Crepis bureniana]
                                            Crepis lyrata
                                            Crepis modocensis
                                              Crepis modocensis subsp. modocensis
                                                     [Crepis scopulorum]
                                              Crepis modocensis subsp. rostrata
                                                     [Crepis modocensis var. rostrata]
                                                     [Crepis rostrata]
                                            Crepis mollis
                                              Crepis mollis subsp. succisifolia
                                                     [Crepis succisifolia]
                                            Crepis montana
                                            Crepis monticola
                                            Crepis multicaulis
                                                   [Crepis multicaulis subsp. congesta]
                                            Crepis neglecta
                                            Crepis occidentalis
                                              Crepis occidentalis subsp. costata
                                              Crepis occidentalis subsp. pumila
                                                     [Crepis occidentalis var. pumila]
                                            Crepis palaestina
                                            Crepis paludosa
                                            Crepis pannonica
                                              Crepis pannonica subsp. pannonica
                                                     [Crepis rigida]
                                            Crepis parviflora
                                            Crepis pleurocarpa
                                                   [Crepis intermedia var. pleurocarpa]
                                            Crepis polymorpha
                                            Crepis praemorsa
                                            Crepis pulchra
                                            Crepis purpurea
                                            Crepis pygmaea
                                            Crepis pyrenaica
                                                   [Crepis grandiflora]
                                            Crepis reuteriana
                                            Crepis robertioides
                                            Crepis rubra
                                            Crepis runcinata
                                              Crepis runcinata subsp. andersonii
                                                     [Crepis andersonii]
                                              Crepis runcinata subsp. hallii
                                              Crepis runcinata subsp. runcinata
                                                     [Crepis mogollonica]
                                            Crepis sancta
                                              Crepis sancta subsp. bifida
                                                     [Crepis bifida]
                                              Crepis sancta subsp. falconeri
                                                     [Pterotheca falconeri]
                                              Crepis sancta subsp. sancta
                                                     [Lagoseris sancta]
                                                     [Pterotheca nemausensis]
                                            Crepis senecioides
                                            Crepis setosa
                                            Crepis sibirica
                                            Crepis suffreniana
                                            Crepis tectorum
                                                   [Crepis tectorum f. gracilis]
                                            Crepis tenerrima
                                            Crepis tenuifolia
                                            Crepis thompsonii
                                            Crepis triasii
                                            Crepis turcica
                                            Crepis vesicaria
                                              Crepis vesicaria subsp. taraxacifolia
                                                     [Crepis praecox]
                                                     [Crepis taraxacifolia]
                                            Crepis viscidula
                                    Epilasia
                                            Epilasia acrolasia
                                                   [Scorzonera ammophila]
                                    Erythroseris
                                            Erythroseris amabilis
                                    Garhadiolus
                                            Garhadiolus hedypnois
                                                   [Garhadiolus angulosus]
                                                   [Rhagadiolus hedypnois]
                                    Gelasia
                                            Gelasia filifolia
                                                   [Scorzonera filifolia]
                                    Geropogon
                                            Geropogon hybridus
                                                   [Geropogon glabrum]
                                                   [Tragopogon hybridus]
                                    Glyptopleura
                                            Glyptopleura marginata
                                            Glyptopleura setulosa
                                    Guneria
                                            Guneria ketzkhovelii
                                                   [Scorzonera ketzkhovelii]
                                    Hedypnois
                                            Hedypnois cretica
                                                   [Rhagadiolus creticus]
                                            Hedypnois rhagadioloides
                                              Hedypnois rhagadioloides subsp. rhagadioloides
                                                     [Hedypnois monspeliensis]
                                                     [Hedypnois polymorpha]
                                    Helminthotheca
                                            Helminthotheca echioides
                                                   [Picris echioides]
                                    Heteroderis
                                            Heteroderis pusilla
                                                   [Heteroderis stocksiana]
                                    Hieracium
                                            Hieracium abscissum
                                            Hieracium albiflorum
                                            Hieracium alpinum
                                              Hieracium alpinum subsp. halleri
                                                     [Hieracium halleri]
                                            Hieracium amplexicaule
                                              Hieracium amplexicaule subsp. pseudoligusticum
                                                     [Hieracium ligusticum]
                                            Hieracium antarcticum
                                                   [Hieracium andinum]
                                            Hieracium argutum
                                            Hieracium auricula
                                            Hieracium avilae
                                            Hieracium balbisianum
                                              Hieracium balbisianum subsp. kerneri
                                                     [Hieracium kerneri]
                                            Hieracium bauhinii
                                            Hieracium bifidum
                                            Hieracium bocconei
                                            Hieracium bolanderi
                                            Hieracium boreale
                                            Hieracium bupleuroides
                                            Hieracium caesium
                                              Hieracium caesium subsp. basifolium
                                                     [Hieracium basifolium]
                                            Hieracium canescens
                                            Hieracium carneum
                                            Hieracium castellanum
                                            Hieracium caucasiense
                                            Hieracium cerinthoides
                                            Hieracium cernuum
                                            Hieracium compositum
                                                   [Hieracium marianum]
                                            Hieracium corymbosum
                                            Hieracium crepidispermum
                                            Hieracium crocatum
                                            Hieracium debile
                                            Hieracium dentatum
                                              Hieracium dentatum subsp. gaudinii
                                                     [Hieracium gaudinii]
                                            Hieracium diaphanoides
                                              Hieracium diaphanoides subsp. faucinum
                                                     [Hieracium vulgatum]
                                            Hieracium elongatum
                                            Hieracium erianthum
                                                   [Hieracium eriocephalum]
                                            Hieracium eriophorum
                                            Hieracium fendleri
                                              Hieracium fendleri var. discolor
                                            Hieracium flagellare
                                            Hieracium floridanum
                                            Hieracium friesii
                                                   [Hieracium schultzii]
                                                   [Hieracium wrightii]
                                            Hieracium frigidum
                                            Hieracium froelichianum
                                              Hieracium froelichianum subsp. epimedium
                                                     [Hieracium epimedium]
                                              Hieracium froelichianum subsp. froelichianum
                                                     [Hieracium gracile]
                                            Hieracium gigantellum
                                              Hieracium gigantellum subsp. adenobrachion
                                                     [Hieracium adenobrachion]
                                            Hieracium glaucifolium
                                            Hieracium greenei
                                            Hieracium griseum
                                            Hieracium gronovii
                                            Hieracium horridum
                                                   [Hieracium breweri]
                                            Hieracium humile
                                            Hieracium irasuense
                                            Hieracium juranum
                                              Hieracium juranum subsp. juranum
                                                     [Hieracium perusianum]
                                            Hieracium kneissaeum
                                            Hieracium korshinskyi
                                            Hieracium lachenalii
                                              Hieracium lachenalii subsp. lachenalii
                                                     [Hieracium scholanderi]
                                            Hieracium laevigatum
                                              Hieracium laevigatum subsp. gothicum
                                                     [Hieracium gothicum]
                                            Hieracium lanatum
                                            Hieracium lawsonii
                                            Hieracium levicaule
                                              Hieracium levicaule subsp. uczanssuense
                                                     [Hieracium uczanssuense]
                                            Hieracium longipilum
                                            Hieracium lucidum
                                            Hieracium maculatum
                                            Hieracium mexicanum
                                            Hieracium molybdochroum
                                                   [Hieracium commutatum]
                                            Hieracium murorum
                                              Hieracium murorum subsp. gentile
                                                     [Hieracium gentile]
                                              Hieracium murorum subsp. oblongum
                                                     [Hieracium oblongum]
                                            Hieracium ovaliceps
                                            Hieracium pallescens
                                            Hieracium pallidum
                                            Hieracium pangoriense
                                            Hieracium paniculatum
                                            Hieracium pannosum
                                            Hieracium parryi
                                            Hieracium pedunculare
                                            Hieracium peruanum
                                            Hieracium piliferum
                                              Hieracium piliferum subsp. piliferum
                                                     [Hieracium schraderi]
                                            Hieracium pilosum
                                              Hieracium pilosum subsp. pilosum
                                                     [Hieracium morisianum]
                                            Hieracium plumbeum
                                            Hieracium porrifolium
                                            Hieracium pulmonarioides
                                            Hieracium racemosum
                                            Hieracium rigidum
                                            Hieracium robustum
                                            Hieracium rydbergii
                                            Hieracium sabaudum
                                            Hieracium sangilense
                                            Hieracium saxifragum
                                            Hieracium scabrum
                                            Hieracium schmidtii
                                              Hieracium schmidtii subsp. lasiophyllum
                                                     [Hieracium lasiophyllum]
                                            Hieracium scouleri
                                                   [Hieracium albertinum]
                                                   [Hieracium chapacanum]
                                                   [Hieracium cusickii]
                                                   [Hieracium cynoglossoides]
                                              Hieracium scouleri var. griseum
                                            Hieracium stoloniferum
                                            Hieracium subdolum
                                            Hieracium tomentosum
                                              Hieracium tomentosum subsp. andryaloides
                                                     [Hieracium andryaloides]
                                            Hieracium traillii
                                            Hieracium tridentatum
                                            Hieracium triste
                                            Hieracium tuvinicum
                                            Hieracium umbellatum
                                              Hieracium umbellatum subsp. umbellatum
                                                     [Hieracium canadense]
                                                     [Hieracium kalmii]
                                                     [Hieracium scabriusculum]
                                              Hieracium umbellatum var. japonicum
                                            Hieracium valdepilosum
                                            Hieracium venosum
                                            Hieracium villosum
                                            Hieracium virosum
                                            Hieracium × fallax
                                    Hispidella
                                            Hispidella hispanica
                                    Hololeion
                                            Hololeion maximowiczii
                                                   [Hieracium hololeion]
                                    Hyoseris
                                            Hyoseris radiata
                                            Hyoseris scabra
                                    Hypochaeris
                                            Hypochaeris acaulis
                                            Hypochaeris aetnensis
                                            Hypochaeris albiflora
                                                   [Hypochaeris microcephala var. albiflora]
                                            Hypochaeris arenaria
                                                   [Hypochaeris andina]
                                            Hypochaeris chillensis
                                                   [Hypochaeris brasiliensis]
                                            Hypochaeris clarionoides
                                                   [Hypochaeris microphylla]
                                            Hypochaeris cretensis
                                            Hypochaeris cupressorum
                                            Hypochaeris elata
                                            Hypochaeris foliosa
                                            Hypochaeris gardneri
                                            Hypochaeris glabra
                                                   [Hypochaeris glabra var. erostris]
                                            Hypochaeris glauca
                                            Hypochaeris grandidentata
                                            Hypochaeris grandiflora
                                            Hypochaeris incana
                                                   [Hypochaeris leucantha]
                                              Hypochaeris incana var. integrifolia
                                                     [Hypochaeris coronopifolia]
                                            Hypochaeris microcephala
                                            Hypochaeris montana
                                            Hypochaeris oligocephala
                                            Hypochaeris palustris
                                            Hypochaeris radicata
                                            Hypochaeris scorzonerae
                                              Hypochaeris scorzonerae var. glabrata
                                                     [Hypochaeris chrysantha]
                                            Hypochaeris sessiliflora
                                                   [Hypochaeris barbata]
                                            Hypochaeris spathulata
                                            Hypochaeris taraxacoides
                                                   [Hypochaeris stenocephala]
                                            Hypochaeris tenerifolius
                                            Hypochaeris tenuifolia
                                                   [Hypochaeris spinuligera]
                                              Hypochaeris tenuifolia var. eurylepis
                                                     [Hypochaeris odorata]
                                    Ixeridium
                                            Ixeridium dentatum
                                              Ixeridium dentatum subsp. dentatum
                                                     [Ixeris dentata var. albiflora]
                                                     [Ixeris dentata var. amplifolia]
                                                     [Ixeris dentata var. octoradiata]
                                                     [Ixeris dentata]
                                              Ixeridium dentatum subsp. kitayamense
                                                     [Ixeris dentata subsp. kitayamensis]
                                            Ixeridium gracile
                                                   [Ixeris gracilis]
                                                   [Lactuca gracilis]
                                    Ixeris
                                            Ixeris chinensis
                                              Ixeris chinensis subsp. chinensis
                                                     [Lactuca chinensis]
                                              Ixeris chinensis subsp. versicolor
                                                     [Ixeris graminea]
                                                     [Lactuca versicolor]
                                            Ixeris japonica
                                                   [Lactuca debilis]
                                            Ixeris polycephala
                                                   [Lactuca polycephala]
                                            Ixeris repens
                                                   [Lactuca repens]
                                            Ixeris stolonifera
                                                   [Lactuca stolonifera]
                                    Koelpinia
                                            Koelpinia linearis
                                            Koelpinia turanica
                                    Krigia
                                            Krigia biflora
                                                   [Cynthia virginica]
                                                   [Troximon virginicum]
                                            Krigia caroliniana
                                            Krigia cespitosa
                                                   [Apogon humilis]
                                                   [Krigia oppositifolia]
                                              Krigia cespitosa var. gracilis
                                                     [Apogon gracilis]
                                                     [Krigia gracilis]
                                            Krigia dandelion
                                                   [Cynthia dandelion]
                                            Krigia montana
                                            Krigia occidentalis
                                                   [Krigia occidentalis var. mutica]
                                            Krigia virginica
                                            Krigia wrightii
                                                   [Apogon wrightii]
                                    Lactuca
                                            Lactuca biennis
                                            Lactuca brevirostris
                                            Lactuca canadensis
                                                   [Lactuca canadensis var. integrifolia]
                                                   [Lactuca elongata]
                                                   [Lactuca sagittifolia]
                                                   [Lactuca steelei]
                                            Lactuca dentata
                                            Lactuca dissecta
                                            Lactuca elata
                                            Lactuca floridana
                                                   [Lactuca acuminata]
                                            Lactuca glandulifera
                                            Lactuca graminifolia
                                            Lactuca hirsuta
                                            Lactuca indica
                                                   [Lactuca indica f. indivisa]
                                                   [Lactuca indica var. laciniata]
                                            Lactuca inermis
                                                   [Lactuca capensis]
                                            Lactuca integrifolia
                                            Lactuca jamaicensis
                                            Lactuca laciniata
                                            Lactuca longifolia
                                            Lactuca ludoviciana
                                                   [Lactuca campestris]
                                            Lactuca orientalis
                                            Lactuca perennis
                                              Lactuca perennis subsp. granatensis
                                                     [Lactuca singularis]
                                            Lactuca plumieri
                                            Lactuca pulchella
                                                   [Lactuca oblongifolia]
                                            Lactuca quercina
                                              Lactuca quercina subsp. quercina
                                                     [Lactuca sagittata]
                                            Lactuca raddeana
                                                   [Lactuca raddeana var. elata]
                                            Lactuca saligna
                                            Lactuca sativa
                                                   [Lactuca sativa var. capitata]
                                                   [Lactuca sativa var. crispa]
                                            Lactuca serriola
                                                   [Lactuca scariola]
                                                  Lactuca serriola f. integrifolia
                                                         [Lactuca serriola var. integrata]
                                            Lactuca sibirica
                                                   [Mulgedium sibiricum]
                                            Lactuca tatarica
                                            Lactuca tenerrima
                                            Lactuca tetrantha
                                            Lactuca tuberosa
                                            Lactuca ugandensis
                                            Lactuca villosa
                                            Lactuca viminea
                                            Lactuca virosa
                                            Lactuca watsoniana
                                    Lapsana
                                            Lapsana communis
                                              Lapsana communis subsp. communis
                                                     [Lapsana communis var. glandulosa]
                                              Lapsana communis subsp. intermedia
                                                     [Lapsana intermedia]
                                              Lapsana communis subsp. pisidica
                                                     [Lapsana peduncularis]
                                    Lapsanastrum
                                            Lapsanastrum apogonoides
                                                   [Lapsana apogonoides]
                                            Lapsanastrum humile
                                                   [Lapsana humilis]
                                    Launaea
                                            Launaea arborescens
                                              Launaea arborescens subsp. arborescens
                                                     [Lactuca spinosa]
                                            Launaea asplenifolia
                                            Launaea capitata
                                            Launaea cassiniana
                                            Launaea crepoides
                                            Launaea fragilis
                                            Launaea gorgadensis
                                            Launaea intybacea
                                                   [Lactuca intybacea]
                                            Launaea mucronata
                                            Launaea nudicaulis
                                            Launaea picridioides
                                            Launaea resedifolia
                                            Launaea secunda
                                            Launaea tenuiloba
                                            Launaea thalassica
                                    Leontodon
                                            Leontodon asperrimus
                                            Leontodon crispus
                                            Leontodon hispidus
                                              Leontodon hispidus subsp. danubialis
                                                     [Leontodon hastilis]
                                            Leontodon incanus
                                            Leontodon libanoticus
                                            Leontodon tenuiflorus
                                    Lilacina
                                            Lilacina papposa
                                                   [Scorzonera papposa]
                                    Lygodesmia
                                            Lygodesmia aphylla
                                            Lygodesmia exigua
                                            Lygodesmia grandiflora
                                            Lygodesmia juncea
                                            Lygodesmia ramosissima
                                            Lygodesmia texana
                                    Malacothrix
                                            Malacothrix californica
                                              Malacothrix californica var. glabrata
                                            Malacothrix clevelandii
                                                   [Microseris parryi]
                                            Malacothrix coulteri
                                            Malacothrix crepoides
                                            Malacothrix fendleri
                                            Malacothrix floccifera
                                                   [Malacothrix obtusa]
                                            Malacothrix glabrata
                                            Malacothrix incana
                                            Malacothrix indecora
                                            Malacothrix saxatilis
                                              Malacothrix saxatilis var. arachnoidea
                                                     [Malacothrix arachnoidea]
                                              Malacothrix saxatilis var. tenuifolia
                                                     [Malacothrix altissima]
                                                     [Malacothrix tenuifolia]
                                            Malacothrix sonchoides
                                            Malacothrix squalida
                                            Malacothrix torreyi
                                    Melanoseris
                                            Melanoseris brunoniana
                                                   [Lactuca brunoniana]
                                                   [Prenanthes brunoniana]
                                            Melanoseris cyanea
                                                   [Lactuca hastata]
                                            Melanoseris decipiens
                                                   [Lactuca decipiens]
                                            Melanoseris lessertiana
                                                   [Lactuca lessertiana]
                                            Melanoseris macrorhiza
                                                   [Lactuca macrorhiza]
                                            Melanoseris rapunculoides
                                                   [Lactuca rapunculoides]
                                    Microseris
                                            Microseris acuminata
                                            Microseris alpestris
                                            Microseris bigelovii
                                            Microseris borealis
                                                   [Apargidium boreale]
                                                   [Crepis borealis]
                                            Microseris cuspidata
                                                   [Agoseris cuspidata]
                                                   [Troximon cuspidatum]
                                            Microseris douglasii
                                              Microseris douglasii subsp. douglasii
                                                     [Microseris attenuata]
                                                     [Microseris indivisa]
                                                     [Microseris parishii]
                                              Microseris douglasii subsp. platycarpha
                                                     [Microseris platycarpha]
                                              Microseris douglasii subsp. tenella
                                                     [Microseris aphantocarpha]
                                                     [Microseris tenella]
                                            Microseris elegans
                                            Microseris laciniata
                                              Microseris laciniata subsp. laciniata
                                                     [Microseris laciniata var. procera]
                                                     [Scorzonella laciniata]
                                              Microseris laciniata subsp. leptosepala
                                                     [Microseris bolanderi]
                                                     [Microseris leptosepala]
                                            Microseris lindleyi
                                                   [Microseris linearifolia]
                                                   [Microseris macrochaeta]
                                            Microseris nigrescens
                                            Microseris nutans
                                                   [Microseris major]
                                            Microseris paludosa
                                                   [Scorzonella paludosa]
                                            Microseris sylvatica
                                                   [Scorzonella montana]
                                                   [Scorzonella sylvatica]
                                            Microseris troximoides
                                    Munzothamnus
                                            Munzothamnus blairii
                                                   [Malacothrix blairii]
                                                   [Stephanomeria blairii]
                                    Mycelis
                                            Mycelis muralis
                                                   [Cicerbita muralis]
                                              Mycelis muralis subsp. muralis
                                                     [Lactuca muralis]
                                    Nabalus
                                            Nabalus acerifolius
                                                   [Prenanthes acerifolia]
                                            Nabalus autumnalis
                                                   [Prenanthes autumnalis]
                                                   [Prenanthes virgata]
                                            Nabalus boottii
                                                   [Prenanthes boottii]
                                            Nabalus ochroleucus
                                                   [Prenanthes tanakae]
                                            Nabalus roanensis
                                            Nabalus sagittatus
                                                   [Prenanthes sagittata]
                                            Nabalus serpentarius
                                                   [Prenanthes serpentaria]
                                            Nabalus tatarinowii
                                              Nabalus tatarinowii subsp. tatarinowii
                                                     [Prenanthes tatarinowii]
                                            Nabalus trifoliolatus
                                              Nabalus trifoliolatus var. nanus
                                                     [Prenanthes nana]
                                    Oligactis
                                    Paraprenanthes
                                            Paraprenanthes melanantha
                                                   [Prenanthes formosana]
                                            Paraprenanthes sororia
                                                   [Lactuca sororia]
                                    Phalacroseris
                                            Phalacroseris bolanderi
                                                   [Phalacroseris bolanderi var. coronata]
                                    Phitosia
                                            Phitosia crocifolia
                                                   [Crepis crocifolia]
                                    Picris
                                            Picris asplenioides
                                              Picris asplenioides subsp. asplenioides
                                                     [Picris radicata]
                                            Picris cupuligera
                                                   [Picris willkommii]
                                            Picris davurica
                                            Picris galilaea
                                            Picris hieracioides
                                              Picris hieracioides subsp. morrisonensis
                                            Picris japonica
                                              Picris japonica subsp. japonica
                                                     [Picris hieracioides subsp. japonica]
                                            Picris pauciflora
                                    Picrosia
                                            Picrosia longifolia
                                    Pilosella
                                            Pilosella acutifolia
                                              Pilosella acutifolia subsp. acutifolia
                                                     [Hieracium brachiatum]
                                            Pilosella aurantiaca
                                              Pilosella aurantiaca subsp. aurantiaca
                                                     [Hieracium aurantiacum]
                                            Pilosella auriculiformis
                                              Pilosella auriculiformis subsp. auriculiformis
                                                     [Hieracium auriculiforme]
                                            Pilosella bauhini
                                              Pilosella bauhini subsp. bauhini
                                                     [Hieracium praealtum subsp. thaumasium]
                                            Pilosella bifurca
                                                   [Hieracium bifurcum]
                                            Pilosella blyttiana
                                                   [Hieracium blyttianum]
                                            Pilosella caespitosa
                                              Pilosella caespitosa subsp. caespitosa
                                                     [Hieracium caespitosum]
                                                     [Hieracium pratense]
                                            Pilosella cymosa
                                              Pilosella cymosa subsp. cymosa
                                                     [Hieracium collinum]
                                                     [Hieracium cymosum]
                                            Pilosella dubia
                                                   [Hieracium dubium]
                                            Pilosella echioides
                                              Pilosella echioides subsp. echioides
                                                     [Hieracium echioides]
                                            Pilosella floribunda
                                                   [Hieracium floribundum]
                                            Pilosella fuscoatra
                                                   [Hieracium flammeum]
                                            Pilosella glacialis
                                                   [Hieracium glaciale]
                                            Pilosella hoppeana
                                              Pilosella hoppeana subsp. hoppeana
                                                     [Hieracium hoppeanum]
                                            Pilosella leptophyton
                                              Pilosella leptophyton subsp. leptophyton
                                                     [Hieracium leptophyton]
                                            Pilosella lydiae
                                            Pilosella officinarum
                                                   [Hieracium pilosella]
                                                   [Hieracium poliochlorum]
                                            Pilosella piloselloides
                                              Pilosella piloselloides subsp. piloselloides
                                                     [Hieracium florentinum]
                                              Pilosella piloselloides subsp. praealta
                                                     [Hieracium praealtum]
                                            Pilosella procera
                                                   [Hieracium procerum]
                                            Pilosella sphaerocephala
                                                   [Hieracium sphaerocephalum]
                                    Pinaropappus
                                            Pinaropappus parvus
                                            Pinaropappus roseus
                                              Pinaropappus roseus subsp. roseus
                                                     [Pinaropappus roseus var. foliosus]
                                              Pinaropappus roseus var. maculatus
                                    Piptocarpha
                                            Piptocarpha angustifolia
                                            Piptocarpha axillaris
                                            Piptocarpha boyacensis
                                            Piptocarpha densifolia
                                            Piptocarpha leprosa
                                            Piptocarpha longipedunculata
                                            Piptocarpha macropoda
                                            Piptocarpha oblonga
                                            Piptocarpha opaca
                                            Piptocarpha organensis
                                            Piptocarpha poeppigiana
                                                   [Piptocarpha chontalensis]
                                            Piptocarpha rotundifolia
                                            Piptocarpha sellowii
                                            Piptocarpha tetrantha
                                            Piptocarpha tomentosa
                                    Pleiacanthus
                                            Pleiacanthus spinosus
                                                   [Lygodesmia spinosa]
                                    Prenanthes
                                            Prenanthes alata
                                            Prenanthes alba
                                            Prenanthes altissima
                                            Prenanthes aspera
                                            Prenanthes hastata
                                            Prenanthes purpurea
                                            Prenanthes racemosa
                                    Pseudopodospermum
                                            Pseudopodospermum hispanicum
                                              Pseudopodospermum hispanicum subsp. hispanicum
                                                     [Scorzonera hispanica]
                                            Pseudopodospermum ovatum
                                                   [Scorzonera ovata]
                                            Pseudopodospermum pubescens
                                                   [Scorzonera pubescens]
                                            Pseudopodospermum undulatum
                                              Pseudopodospermum undulatum subsp. undulatum
                                                     [Scorzonera undulata]
                                    Pterachaenia
                                            Pterachaenia stewartii
                                                   [Scorzonera stewartii]
                                            Pterotheca bifida
                                    Pyrrhopappus
                                            Pyrrhopappus carolinianus
                                                   [Pyrrhopappus georgianus]
                                            Pyrrhopappus grandiflorus
                                                   [Pyrrhopappus scaposus]
                                            Pyrrhopappus multicaulis
                                            Pyrrhopappus pauciflorus
                                                   [Pyrrhopappus geiseri]
                                    Rafinesquia
                                            Rafinesquia californica
                                            Rafinesquia neomexicana
                                    Ramaliella
                                            Ramaliella aucheriana
                                                   [Scorzonera divaricata]
                                    Reichardia
                                            Reichardia dichotoma
                                                   [Reichardia glauca]
                                            Reichardia tingitana
                                    Rhagadiolus
                                            Rhagadiolus edulis
                                            Rhagadiolus stellatus
                                                   [Rhagadiolus stellatus var. leiocarpus]
                                              Rhagadiolus stellatus var. hebelaenus
                                                     [Rhagadiolus hebelaenus]
                                    Schlagintweitia
                                            Schlagintweitia intybacea
                                                   [Hieracium albidum]
                                                   [Hieracium intybaceum]
                                    Scolymus
                                            Scolymus hispanicus
                                            Scolymus maculatus
                                    Scorzonera
                                            Scorzonera alba
                                            Scorzonera albicaulis
                                            Scorzonera austriaca
                                            Scorzonera cana
                                                   [Scorzonera jacquiniana]
                                            Scorzonera glabra
                                                   [Scorzonera austriaca var. glabra]
                                                   [Scorzonera ruprechtiana]
                                            Scorzonera grigoraschvilii
                                                   [Podospermum grigoraschvilii]
                                            Scorzonera grossheimii
                                                   [Podospermum grossheimii]
                                            Scorzonera hirsuta
                                            Scorzonera humilis
                                            Scorzonera idae
                                                   [Podospermum idae]
                                            Scorzonera ketzkhowelii
                                            Scorzonera kozlowskyi
                                            Scorzonera laciniata
                                            Scorzonera mackmeliana
                                            Scorzonera parviflora
                                            Scorzonera purpurea
                                            Scorzonera radiata
                                                   [Scorzonera rebunensis]
                                            Scorzonera rosea
                                            Scorzonera safievii
                                            Scorzonera schischkinii
                                                   [Podospermum schischkinii]
                                            Scorzonera sinensis
                                            Scorzonera stricta
                                            Scorzonera subaphylla
                                            Scorzonera villosa
                                            Scorzonera virgata
                                    Scorzoneroides
                                            Scorzoneroides autumnalis
                                              Scorzoneroides autumnalis subsp. autumnalis
                                                     [Leontodon autumnalis]
                                              Scorzoneroides autumnalis subsp. borealis
                                                     [Leontodon autumnalis var. pratensis]
                                            Scorzoneroides carpetana
                                              Scorzoneroides carpetana subsp. duboisii
                                                     [Leontodon duboisii]
                                            Scorzoneroides hispidula
                                                   [Leontodon hispidulus]
                                            Scorzoneroides laciniata
                                                   [Leontodon laciniatus]
                                            Scorzoneroides microcephala
                                                   [Leontodon microcephalus]
                                    Shinnersoseris
                                            Shinnersoseris rostrata
                                                   [Lygodesmia rostrata]
                                    Sonchus
                                           [Dendroseris]
                                            Sonchus aquatilis
                                            Sonchus araraticus
                                            Sonchus arboreus
                                            Sonchus arvensis
                                              Sonchus arvensis subsp. arvensis
                                              Sonchus arvensis subsp. uliginosus
                                            Sonchus asper
                                            Sonchus bipontini
                                            Sonchus brachyotus
                                            Sonchus brassicifolius
                                                   [Dendroseris litoralis]
                                            Sonchus bupleuroides
                                                   [Sventenia bupleuroides]
                                            Sonchus congestus
                                                   [Sonchus jacquini]
                                                   [Sonchus macranthus]
                                            Sonchus daltonii
                                            Sonchus erzincanicus
                                            Sonchus gandogeri
                                            Sonchus glaucescens
                                            Sonchus leptocephalus
                                            Sonchus lobatiflorus
                                                   [Dendroseris gigantea]
                                            Sonchus luxurians
                                            Sonchus marginatus
                                                   [Dendroseris marginata]
                                            Sonchus maritimus
                                            Sonchus mauritanicus
                                            Sonchus micranthus
                                                   [Dendroseris micrantha]
                                            Sonchus montanus
                                            Sonchus neriifolius
                                                   [Dendroseris neriifolia]
                                            Sonchus oleraceus
                                            Sonchus palustris
                                            Sonchus pendulus
                                              Sonchus pendulus subsp. pendulus
                                                     [Prenanthes pendula]
                                            Sonchus phoeniciformis
                                                   [Dendroseris pinnata]
                                            Sonchus pinnatifidus
                                                   [Sonchus acidus]
                                            Sonchus pinnatus
                                            Sonchus pruinatus
                                                   [Dendroseris pruinata]
                                            Sonchus regius
                                                   [Dendroseris regia]
                                            Sonchus sinuatus
                                                   [Dendroseris macrantha]
                                            Sonchus spinosus
                                            Sonchus splendens
                                                   [Dendroseris macrophylla]
                                            Sonchus tenerrimus
                                    Soroseris
                                            Soroseris deasyi
                                            Soroseris depressa
                                              Soroseris depressa subsp. depressa
                                                     [Youngia depressa]
                                            Soroseris glomerata
                                                   [Crepis glomerata]
                                            Soroseris pumila
                                    Stephanomeria
                                            Stephanomeria cichoriacea
                                            Stephanomeria elata
                                            Stephanomeria exigua
                                              Stephanomeria exigua subsp. exigua
                                                     [Stephanomeria pentachaeta]
                                            Stephanomeria lactucina
                                            Stephanomeria malheurensis
                                            Stephanomeria paniculata
                                            Stephanomeria parryi
                                            Stephanomeria pauciflora
                                                   [Stephanomeria cinerea]
                                                   [Stephanomeria lygodesmoides]
                                            Stephanomeria runcinata
                                                   [Stephanomeria ramosa]
                                            Stephanomeria tenuifolia
                                                   [Stephanomeria minor]
                                                   [Stephanomeria myrioclada]
                                                   [Stephanomeria neomexicana]
                                                   [Stephanomeria wrightii]
                                            Stephanomeria thurberi
                                            Stephanomeria virgata
                                              Stephanomeria virgata subsp. virgata
                                                     [Stephanomeria tomentosa]
                                    Takhtajaniantha
                                            Takhtajaniantha crispa
                                                   [Scorzonera crispa]
                                            Takhtajaniantha pusilla
                                                   [Scorzonera pusilla]
                                    Taraxacum
                                            Taraxacum acutidens
                                            Taraxacum alaskanum
                                                   [Taraxacum lyratum]
                                            Taraxacum albidum
                                            Taraxacum alpicola
                                            Taraxacum bessarabicum
                                            Taraxacum bicorne
                                            Taraxacum californicum
                                            Taraxacum caudatulum
                                            Taraxacum ceratophorum
                                                   [Taraxacum altaicum]
                                            Taraxacum coreanum
                                            Taraxacum croceum
                                            Taraxacum cuspidatum
                                            Taraxacum dealbatum
                                            Taraxacum dens-leonis
                                            Taraxacum denudatum
                                            Taraxacum dissectum
                                            Taraxacum erythrospermum
                                                   [Taraxacum austriacum]
                                            Taraxacum formosanum
                                            Taraxacum fulvum
                                            Taraxacum gilliesii
                                                   [Taraxacum magellanicum]
                                            Taraxacum glabrum
                                            Taraxacum glaucanthum
                                            Taraxacum graecum
                                            Taraxacum humile
                                                   [Taraxacum remotijugum]
                                            Taraxacum interruptum
                                            Taraxacum japonicum
                                            Taraxacum kok-saghyz
                                            Taraxacum krasnikovii
                                                   [Taraxacum pratense]
                                            Taraxacum kupfferi
                                            Taraxacum lacistophyllum
                                            Taraxacum laevigatum
                                            Taraxacum longeappendiculatum
                                            Taraxacum mimulum
                                            Taraxacum mongolicum
                                            Taraxacum neolobulatum
                                                   [Taraxacum muricatum]
                                            Taraxacum obliquilobum
                                            Taraxacum obliquum
                                            Taraxacum obovatum
                                            Taraxacum officinale
                                                   [Leontodon taraxacum]
                                                   [Taraxacum vulgare]
                                              Taraxacum officinale var. laevigatum
                                            Taraxacum oxylobium
                                                   [Taraxacum kittilense]
                                            Taraxacum palustre
                                            Taraxacum platycarpum
                                              Taraxacum platycarpum subsp. hondoense
                                                     [Taraxacum hondoense]
                                            Taraxacum privum
                                            Taraxacum raii
                                                   [Taraxacum brachysquameum]
                                            Taraxacum scariosum
                                                   [Taraxacum stenolobum]
                                            Taraxacum scopulorum
                                            Taraxacum serotinum
                                            Taraxacum sonchoides
                                                   [Taraxacum montanum]
                                            Taraxacum stenoschistum
                                            Taraxacum tortilobum
                                            Taraxacum trigonolobum
                                            Taraxacum turfosum
                                                   [Taraxacum vollmannii]
                                            Taraxacum venustum
                                            Taraxacum yuparense
                                    Thrincia
                                            Thrincia maroccana
                                              Thrincia maroccana subsp. maroccana
                                                     [Leontodon maroccanus]
                                            Thrincia saxatilis
                                                   [Leontodon leysseri]
                                                   [Leontodon nudicaulis]
                                                   [Leontodon taraxacoides]
                                            Thrincia tuberosa
                                                   [Leontodon tuberosus]
                                    Tolpis
                                            Tolpis barbata
                                            Tolpis farinulosa
                                            Tolpis glabrescens
                                            Tolpis laciniata
                                            Tolpis staticifolia
                                            Tolpis umbellata
                                                   [Tolpis umbellata var. minor]
                                            Tolpis virgata
                                    Tragopogon
                                            Tragopogon armeniacus
                                            Tragopogon brevirostris
                                            Tragopogon buphthalmoides
                                                   [Tragopogon persicus]
                                            Tragopogon capitatus
                                            Tragopogon dasyrhynchus
                                            Tragopogon dubius
                                              Tragopogon dubius subsp. dubius
                                                     [Tragopogon dubius subsp. major]
                                                     [Tragopogon major]
                                            Tragopogon makaschwilii
                                            Tragopogon marginatus
                                                   [Tragopogon flexuosus]
                                            Tragopogon meskheticus
                                            Tragopogon minor
                                            Tragopogon orientalis
                                            Tragopogon otschiaurii
                                            Tragopogon podolicus
                                            Tragopogon porrifolius
                                            Tragopogon pratensis
                                            Tragopogon sibiricus
                                            Tragopogon tuberosus
                                    Trommsdorffia
                                            Trommsdorffia ciliata
                                                   [Hypochaeris ciliata]
                                            Trommsdorffia crepidioides
                                                   [Hypochaeris crepidioides]
                                            Trommsdorffia maculata
                                              Trommsdorffia maculata subsp. maculata
                                                     [Hypochaeris maculata]
                                    Urospermum
                                            Urospermum dalechampii
                                            Urospermum picroides
                                    Youngia
                                            Youngia humifusa
                                                   [Ixeris humifusa]
                                            Youngia japonica
                                              Youngia japonica subsp. japonica
                                                     [Crepis japonica]
                                    Codonocephalum
                                            Codonocephalum paecockianum
                              Corymbioideae
                                    Corymbium
                                            Corymbium africanum
                                              Corymbium africanum subsp. scabridum
                                                     [Corymbium scabrum]
                                            Corymbium glabrum
                                                   [Corymbium latifolium]
                                    Dicoma
                                            Dicoma anomala
                                            Dicoma tomentosa
                              Dicomoideae
                                    Cloiselia
                                            Cloiselia humbertii
                                            Cloiselia madagascariensis
                                            Cloiselia oleifolia
                                    Macledium
                                            Macledium pretoriense
                                                   [Dicoma pretoriensis]
                                            Macledium spinosum
                                                   [Dicoma spinosa]
                              Gochnatioideae
                                    Anastraphia
                                            Anastraphia northropiana
                                                   [Gochnatia ilicifolia]
                                            Anastraphia paucifloscula
                                                   [Gochnatia bahamensis]
                                    Cnicothamnus
                                            Cnicothamnus lorentzii
                                    Cyclolepis
                                            Cyclolepis genistoides
                                    Gochnatia
                                            Gochnatia arequipensis
                                            Gochnatia foliolosa
                                                   [Gochnatia rigida]
                                              Gochnatia foliolosa var. fascicularis
                                                     [Gochnatia multiflora]
                                            Gochnatia glutinosa
                                    Moquiniastrum
                                            Moquiniastrum argentinum
                                                   [Gochnatia argentina]
                                            Moquiniastrum argyreum
                                                   [Gochnatia argyrea]
                                            Moquiniastrum bolivianum
                                                   [Moquinia boliviana]
                                            Moquiniastrum cordatum
                                                   [Gochnatia cordata]
                                            Moquiniastrum paniculatum
                                                   [Gochnatia paniculata]
                                                   [Moquinia paniculata]
                                            Moquiniastrum polymorphum
                                              Moquiniastrum polymorphum subsp. polymorphum
                                                     [Gochnatia polymorpha]
                                                     [Moquinia polymorpha]
                                            Moquiniastrum velutinum
                                                   [Gochnatia velutina]
                                    Nahuatlea
                                            Nahuatlea arborescens
                                                   [Gochnatia arborescens]
                                            Nahuatlea hypoleuca
                                                   [Gochnatia hypoleuca]
                                                   [Moquinia hypoleuca]
                                            Nahuatlea smithii
                              Gymnarrhenoideae
                                    Gymnarrhena
                                            Gymnarrhena micrantha
                                    Gymnolomia
                                    Helipterum
                                    Intybus
                              Mutisioideae
                                    Acourtia
                                            Acourtia cordata
                                                   [Acourtia hebeclada]
                                            Acourtia dugesii
                                                   [Perezia dugesii]
                                            Acourtia fruticosa
                                                   [Perezia rigida]
                                            Acourtia glomeriflora
                                                   [Gochnatia glomeriflora]
                                            Acourtia nana
                                                   [Perezia nana]
                                            Acourtia parryi
                                                   [Perezia parryi]
                                            Acourtia platyphylla
                                                   [Perezia platyphylla]
                                            Acourtia pringlei
                                                   [Perezia pringlei]
                                            Acourtia runcinata
                                                   [Perezia runcinata]
                                            Acourtia thurberi
                                                   [Perezia thurberi]
                                            Acourtia wislizeni
                                                   [Perezia wislizeni]
                                            Acourtia wrightii
                                                   [Perezia arizonica]
                                                   [Perezia wrightii]
                                    Adenocaulon
                                            Adenocaulon bicolor
                                            Adenocaulon chilense
                                            Adenocaulon himalaicum
                                                   [Adenocaulon adhaerescens]
                                    Brachyclados
                                            Brachyclados caespitosus
                                            Brachyclados lycioides
                                    Chaetanthera
                                            Chaetanthera chilensis
                                            Chaetanthera ciliata
                                            Chaetanthera euphrasioides
                                            Chaetanthera flabellata
                                            Chaetanthera glabrata
                                            Chaetanthera glandulosa
                                            Chaetanthera linearis
                                              Chaetanthera linearis var. albiflora
                                              Chaetanthera linearis var. taltalensis
                                            Chaetanthera moenchioides
                                            Chaetanthera ramosissima
                                                   [Chaetanthera tenella]
                                            Chaetanthera renifolia
                                            Chaetanthera serrata
                                            Chaetanthera spathulifolia
                                    Chaptalia
                                            Chaptalia albicans
                                                   [Chaptalia leiocarpa]
                                            Chaptalia cordata
                                            Chaptalia dentata
                                            Chaptalia exscapa
                                              Chaptalia exscapa var. chilensis
                                            Chaptalia integrifolia
                                            Chaptalia nutans
                                            Chaptalia texana
                                                   [Chaptalia nutans var. texana]
                                            Chaptalia tomentosa
                                    Eriachaenium
                                            Eriachaenium magellanicum
                                    Gerbera
                                            Gerbera ambigua
                                                   [Gerbera discolor]
                                            Gerbera hypochaeridoides
                                            Gerbera jamesonii
                                    Gypothamnium
                                            Gypothamnium pinifolium
                                    Holocheilus
                                            Holocheilus brasiliensis
                                                   [Cleanthes brasiliensis]
                                            Holocheilus hieracioides
                                                   [Trixis hieracioides]
                                                   [Trixis ochroleuca]
                                    Jungia
                                            Jungia coarctata
                                            Jungia crenatifolia
                                            Jungia ferruginea
                                            Jungia floribunda
                                            Jungia glandulifera
                                            Jungia ovata
                                            Jungia polita
                                                   [Jungia divaricata]
                                            Jungia pringlei
                                            Jungia revoluta
                                            Jungia sellowii
                                    Leibnitzia
                                            Leibnitzia anandria
                                                   [Gerbera anandria]
                                            Leibnitzia lyrata
                                                   [Chaptalia alsophila]
                                                   [Chaptalia leucocephala]
                                                   [Chaptalia seemannii]
                                            Leibnitzia nepalensis
                                                   [Gerbera kunzeana]
                                    Leunisia
                                            Leunisia laeta
                                    Lophopappus
                                            Lophopappus cuneatus
                                            Lophopappus foliosus
                                            Lophopappus tarapacanus
                                    Lulia
                                            Lulia nervosa
                                                   [Trichocline nervosa]
                                    Lycoseris
                                            Lycoseris eggersii
                                            Lycoseris mexicana
                                            Lycoseris triplinervia
                                                   [Lycoseris latifolia]
                                                   [Lycoseris oblongifolia]
                                    Macrachaenium
                                            Macrachaenium gracile
                                    Marticorenia
                                            Marticorenia foliosa
                                    Moscharia
                                            Moscharia pinnatifida
                                    Mutisia
                                            Mutisia acerosa
                                            Mutisia acuminata
                                                   [Mutisia peduncularis]
                                            Mutisia alata
                                            Mutisia araucana
                                            Mutisia cana
                                                   [Mutisia reticulata]
                                            Mutisia clematis
                                            Mutisia coccinea
                                            Mutisia cochabambensis
                                            Mutisia decurrens
                                            Mutisia discoidea
                                            Mutisia hieronymi
                                            Mutisia ilicifolia
                                            Mutisia lanata
                                                   [Mutisia bipontina]
                                            Mutisia latifolia
                                            Mutisia lehmannii
                                            Mutisia linearifolia
                                            Mutisia magnifica
                                            Mutisia microcephala
                                            Mutisia microneura
                                            Mutisia microphylla
                                            Mutisia oligodon
                                            Mutisia rimbachii
                                            Mutisia rosea
                                            Mutisia sinuata
                                            Mutisia speciosa
                                            Mutisia spectabilis
                                            Mutisia spinosa
                                              Mutisia spinosa var. pulchella
                                                     [Mutisia retusa]
                                            Mutisia subulata
                                    Nassauvia
                                            Nassauvia acerosa
                                                   [Nassauvia remyana]
                                            Nassauvia aculeata
                                              Nassauvia aculeata var. azorelloides
                                                     [Nassauvia abbreviata]
                                            Nassauvia axillaris
                                            Nassauvia cumingii
                                            Nassauvia darwinii
                                            Nassauvia digitata
                                            Nassauvia dusenii
                                            Nassauvia fuegiana
                                                   [Nassauvia scleranthoides]
                                            Nassauvia glomerulosa
                                                   [Nassauvia bryoides]
                                            Nassauvia lagascae
                                              Nassauvia lagascae var. lanata
                                                     [Nassauvia lanata]
                                            Nassauvia latissima
                                            Nassauvia magellanica
                                            Nassauvia pinnigera
                                            Nassauvia pyramidalis
                                                   [Nassauvia pungens]
                                            Nassauvia revoluta
                                                   [Nassauvia nivalis]
                                            Nassauvia spinosa
                                            Nassauvia sprengelioides
                                            Nassauvia uniflora
                                    Onoseris
                                            Onoseris albicans
                                            Onoseris hyssopifolia
                                            Onoseris odorata
                                            Onoseris onoseroides
                                                   [Onoseris rupestris]
                                            Onoseris peruviana
                                            Onoseris salicifolia
                                            Onoseris speciosa
                                    Oreoseris
                                            Oreoseris maxima
                                                   [Gerbera macrophylla]
                                            Oreoseris nivea
                                                   [Gerbera nivea]
                                    Oriastrum
                                            Oriastrum acerosum
                                                   [Chaetanthera acerosa]
                                            Oriastrum lycopodioides
                                                   [Chaetanthera lycopodioides]
                                            Oriastrum minutum
                                                   [Chaetanthera minuta]
                                            Oriastrum pusillum
                                                   [Chaetanthera planiseta]
                                                   [Chaetanthera pusilla]
                                            Oriastrum sphaeroidale
                                                   [Chaetanthera sphaeroidalis]
                                    Pachylaena
                                            Pachylaena atriplicifolia
                                    Perezia
                                            Perezia ciliosa
                                            Perezia lactucoides
                                            Perezia linearis
                                            Perezia lyrata
                                            Perezia magellanica
                                            Perezia microcephala
                                            Perezia multiflora
                                            Perezia nutans
                                            Perezia pedicularidifolia
                                                   [Perezia variabilis]
                                            Perezia pilifera
                                            Perezia pinnatifida
                                                   [Perezia violacea]
                                            Perezia poeppigii
                                                   [Perezia virens]
                                            Perezia pungens
                                                   [Perezia purpurata]
                                            Perezia recurvata
                                              Perezia recurvata subsp. recurvata
                                                     [Perezia patagonica]
                                    Piloselloides
                                            Piloselloides hirsuta
                                                   [Gerbera piloselloides]
                                    Plazia
                                            Plazia daphnoides
                                    Polyachyrus
                                            Polyachyrus annuus
                                            Polyachyrus carduoides
                                                   [Polyachyrus foliosus]
                                            Polyachyrus fuscus
                                            Polyachyrus poeppigii
                                            Polyachyrus sphaerocephalus
                                                   [Polyachyrus echinopsoides]
                                    Proustia
                                            Proustia cuneifolia
                                              Proustia cuneifolia subsp. cuneifolia
                                                     [Proustia pungens]
                                            Proustia pyrifolia
                                                   [Proustia glandulosa]
                                                   [Proustia oblongifolia]
                                            Proustia reticulata
                                    Spinoliva
                                            Spinoliva ilicifolia
                                              Spinoliva ilicifolia subsp. baccharoides
                                                     [Proustia baccharoides]
                                              Spinoliva ilicifolia subsp. ilicifolia
                                                     [Proustia ilicifolia]
                                    Trichocline
                                            Trichocline auriculata
                                            Trichocline caulescens
                                            Trichocline incana
                                            Trichocline sinuata
                                    Triptilion
                                            Triptilion capillatum
                                            Triptilion cordifolium
                                            Triptilion gibbosum
                                            Triptilion spinosum
                                    Trixis
                                            Trixis alata
                                                   [Trixis decurrens]
                                            Trixis angustifolia
                                            Trixis brasiliensis
                                            Trixis cacalioides
                                                   [Trixis papillosa]
                                            Trixis californica
                                              Trixis californica var. californica
                                            Trixis corymbosa
                                            Trixis divaricata
                                              Trixis divaricata subsp. divaricata
                                                     [Trixis antimenorrhoea]
                                            Trixis hyposericea
                                            Trixis inula
                                                   [Trixis frutescens]
                                                   [Trixis radialis]
                                            Trixis michoacana
                                              Trixis michoacana var. longifolia
                                                     [Trixis longifolia]
                                                     [Trixis obvallata]
                                            Trixis pallida
                                            Trixis praestans
                                            Trixis pringlei
                                              Trixis pringlei var. oligantha
                                                     [Trixis oligantha]
                                            Trixis proustioides
                                            Trixis pterocaulis
                                                   [Trixis wrightii]
                                    Notonia
                                    Othake
                                            Othake sphacelatum
                                    Pegolettia
                                            Pegolettia baccharidifolia
                              Pertyoideae
                                    Ainsliaea
                                            Ainsliaea acerifolia
                                                   [Ainsliaea acerifolia var. subapoda]
                                            Ainsliaea apiculata
                                            Ainsliaea aptera
                                            Ainsliaea cordifolia
                                            Ainsliaea faurieana
                                                   [Ainsliaea linearis]
                                            Ainsliaea fragrans
                                            Ainsliaea gracilis
                                            Ainsliaea latifolia
                                                   [Ainsliaea pteropoda]
                                                   [Ainsliaea triflora]
                                            Ainsliaea macroclinidioides
                                              Ainsliaea macroclinidioides var. okinawaensis
                                            Ainsliaea parvifolia
                                            Ainsliaea pertyoides
                                            Ainsliaea reflexa
                                            Ainsliaea trinervis
                                                   [Ainsliaea macroclinidioides var. oblonga]
                                    Pertya
                                            Pertya cordifolia
                                            Pertya glabrescens
                                            Pertya rigidula
                                                   [Macroclinidium rigidulum]
                                            Pertya robusta
                                            Pertya scandens
                                                   [Pertya ovata]
                                            Pertya sinensis
                                            Pertya triloba
                                    Peyrousea
                                    Pyrethrum
                                    Rhetinodendron
                                            Rhetinodendron berterii
                                    Scalesia
                                            Scalesia aspera
                                            Scalesia atractyloides
                                              Scalesia atractyloides var. atractyloides
                                              Scalesia atractyloides var. darwinii
                                            Scalesia baurii
                                              Scalesia baurii subsp. baurii
                                              Scalesia baurii subsp. hopkinsii
                                            Scalesia cordata
                                            Scalesia crockeri
                                            Scalesia divisa
                                            Scalesia gordilloi
                                            Scalesia helleri
                                                   [Scalesia helleri subsp. santacruziana]
                                              Scalesia helleri subsp. helleri
                                            Scalesia incisa
                                            Scalesia microcephala
                                              Scalesia microcephala var. cordifolia
                                              Scalesia microcephala var. microcephala
                                            Scalesia pedunculata
                                            Scalesia retroflexa
                                            Scalesia stewartii
                                            Scalesia villosa
                                    Siegesbeckia
                                            Siegesbeckia orientalis
                                              Siegesbeckia orientalis subsp. glabrescens
                                            Siegesbeckia pubescens
                                            Sonchus berteroanus
                                                   [Dendroseris berteroana]
                              Stifftioideae
                                    Dinoseris
                                            Dinoseris salicifolia
                                    Gongylolepis
                                            Gongylolepis paruana
                                            Gongylolepis pedunculata
                                    Hyalis
                                            Hyalis argentea
                                                   [Plazia argentea]
                                    Quelchia
                                            Quelchia cardonae
                                            Quelchia conferta
                                    Stifftia
                                            Stifftia chrysantha
                                    Syncephalantha
                                            Syncephalantha sanguinea
                              Tarchonanthoideae
                                    Brachylaena
                                            Brachylaena discolor
                                              Brachylaena discolor var. transvaalensis
                                                     [Brachylaena transvaalensis]
                                            Brachylaena elliptica
                                            Brachylaena ilicifolia
                                            Brachylaena neriifolia
                                            Brachylaena stellulifera
                                    Oldenburgia
                                            Oldenburgia grandis
                                                   [Oldenburgia arbuscula]
                                    Tarchonanthus
                                            Tarchonanthus camphoratus
                                              Tarchonanthus camphoratus var. litakunensis
                                            Tarchonanthus minor
                                    Tetramolopium
                                            Tetramolopium arenarium
                                            Tetramolopium capillare
                                            Tetramolopium consanguineum
                                              Tetramolopium consanguineum subsp. consanguineum
                                            Tetramolopium filiforme
                                            Tetramolopium humile
                                              Tetramolopium humile var. skottsbergii
                                            Tetramolopium lepidotum
                                              Tetramolopium lepidotum subsp. arbusculum
                                              Tetramolopium lepidotum subsp. lepidotum
                                            Tetramolopium remyi
                                            Tetramolopium rockii
                                              Tetramolopium rockii var. calcisabulorum
                                    Venidium
                              Vernonioideae
                                    Acilepis
                                            Acilepis divergens
                                                   [Conyza multiflora]
                                                   [Vernonia divergens]
                                            Acilepis silhetensis
                                                   [Vernonia bracteata]
                                            Acilepis squarrosa
                                                   [Vernonia rubricaulis]
                                                   [Vernonia teres]
                                    Ambassa
                                            Ambassa hochstetteri
                                                   [Vernonia hochstetteri]
                                                   [Vernonia jugalis]
                                    Ananthura
                                            Ananthura pteropoda
                                                   [Vernonia pteropoda]
                                    Anteremanthus
                                            Anteremanthus piranii
                                    Arctotheca
                                            Arctotheca calendula
                                                   [Arctotis calendula]
                                            Arctotheca populifolia
                                                   [Arctotheca nivea]
                                    Arctotis
                                            Arctotis acaulis
                                            Arctotis arctotoides
                                            Arctotis aspera
                                            Arctotis fastuosa
                                                   [Arctotis aurea]
                                                   [Venidium fastuosum]
                                            Arctotis hirsuta
                                                   [Arctotis calendulacea]
                                            Arctotis laciniata
                                                   [Arctotis laevis]
                                            Arctotis microcephala
                                                   [Venidium microcephalum]
                                            Arctotis reptans
                                                   [Arctotis petiolata]
                                            Arctotis stoechadifolia
                                                   [Arctotis grandis]
                                                   [Arctotis stoechadifolia var. grandis]
                                    Baccharoides
                                            Baccharoides adoensis
                                                   [Vernonia adoensis]
                                            Baccharoides anthelmintica
                                                   [Vernonia anthelmintica]
                                            Baccharoides ballyi
                                                   [Vernonia ballyi]
                                            Baccharoides calvoana
                                              Baccharoides calvoana subsp. adolfi-friderici
                                                     [Vernonia calvoana subsp. adolfi-friderici]
                                              Baccharoides calvoana subsp. calvoana
                                                     [Vernonia calvoana]
                                              Baccharoides calvoana subsp. leucocalyx
                                                     [Vernonia calvoana subsp. leucocalyx]
                                                     [Vernonia leucocalyx]
                                              Baccharoides calvoana subsp. oehleri
                                                     [Vernonia calvoana subsp. oehleri]
                                              Baccharoides calvoana subsp. ulugurensis
                                                     [Vernonia calvoana subsp. ulugurensis]
                                              Baccharoides calvoana subsp. usambarensis
                                                     [Vernonia calvoana subsp. usambarensis]
                                            Baccharoides filipendula
                                                   [Vernonia rigidifolia]
                                            Baccharoides lasiopus
                                                   [Vernonia lasiopus]
                                              Baccharoides lasiopus var. iodocalyx
                                                     [Vernonia iodocalyx]
                                            Baccharoides nimbaensis
                                                   [Vernonia nimbaensis]
                                    Berkheya
                                            Berkheya angustifolia
                                            Berkheya carduoides
                                            Berkheya heterophylla
                                            Berkheya radula
                                            Berkheya spekeana
                                    Bolanosa
                                            Bolanosa coulteri
                                    Bothriocline
                                            Bothriocline amplifolia
                                                   [Erlangea amplifolia]
                                            Bothriocline auriculata
                                            Bothriocline fruticosa
                                            Bothriocline fusca
                                                   [Erlangea fusca]
                                            Bothriocline glomerata
                                            Bothriocline inyangana
                                                   [Erlangea rogersii]
                                            Bothriocline longipes
                                                   [Erlangea tomentosa]
                                            Bothriocline nyiruensis
                                            Bothriocline nyungwensis
                                            Bothriocline quercifolia
                                            Bothriocline ruwenzoriensis
                                            Bothriocline schimperi
                                                   [Erlangea schimperi]
                                    Brachythrix
                                            Brachythrix glomerata
                                                   [Brachythrix brevipapposa]
                                    Cabobanthus
                                            Cabobanthus polysphaerus
                                                   [Vernonia polysphaera]
                                    Cacosmia
                                            Cacosmia harlingii
                                            Cacosmia hieronymi
                                            Cacosmia rugosa
                                    Centauropsis
                                            Centauropsis decaryi
                                            Centauropsis perrieri
                                    Centratherum
                                            Centratherum cardenasii
                                            Centratherum punctatum
                                                   [Centratherum intermedium]
                                                   [Centratherum muticum]
                                    Chresta
                                            Chresta sphaerocephala
                                                   [Eremanthus sphaerocephalus]
                                    Chrysolaena
                                            Chrysolaena cognata
                                                   [Vernonia cognata]
                                            Chrysolaena desertorum
                                                   [Vernonia desertorum]
                                            Chrysolaena flexuosa
                                                   [Vernonia flexuosa]
                                            Chrysolaena obovata
                                                   [Vernonia herbacea]
                                            Chrysolaena platensis
                                                   [Vernonia platensis]
                                            Chrysolaena simplex
                                                   [Vernonia simplex]
                                    Critoniopsis
                                            Critoniopsis boliviana
                                                   [Vernonia boliviana]
                                            Critoniopsis cinerea
                                            Critoniopsis cotopaxensis
                                            Critoniopsis cuatrecasasii
                                            Critoniopsis dorrii
                                            Critoniopsis floribunda
                                              Critoniopsis floribunda var. sevillana
                                                     [Critoniopsis sevillana]
                                            Critoniopsis franciscana
                                            Critoniopsis glandulata
                                            Critoniopsis harlingii
                                            Critoniopsis jaramilloi
                                            Critoniopsis meridensis
                                            Critoniopsis nonoensis
                                                   [Vernonia nonoensis]
                                            Critoniopsis palaciosii
                                            Critoniopsis popayanensis
                                            Critoniopsis quinqueflora
                                                   [Vernonia quinqueflora]
                                            Critoniopsis sodiroi
                                                   [Piptocarpha sodiroi]
                                            Critoniopsis turmalensis
                                            Critoniopsis uribei
                                            Critoniopsis ursicola
                                            Critoniopsis yamboyensis
                                    Crystallopollen
                                            Crystallopollen angustifolium
                                                   [Vernonia erinacea]
                                            Crystallopollen bainesii
                                                   [Vernonia bainesii]
                                            Crystallopollen jelfiae
                                                   [Vernonia jelfiae var. albida]
                                                   [Vernonia jelfiae]
                                            Crystallopollen serratuloides
                                                   [Vernonia perrottetii]
                                            Crystallopollen sylvicola
                                                   [Vernonia sylvicola]
                                    Cuatrecasanthus
                                            Cuatrecasanthus flexipappus
                                    Cullumia
                                            Cullumia carlinoides
                                    Cuspidia
                                            Cuspidia cernua
                                              Cuspidia cernua subsp. cernua
                                                     [Berkheya cernua]
                                    Cyanthillium
                                            Cyanthillium cinereum
                                                   [Vernonia cinerea]
                                              Cyanthillium cinereum var. parviflorum
                                                     [Vernonia cinerea var. parviflora]
                                    Cyrtocymura
                                            Cyrtocymura scorpioides
                                                   [Vernonia scorpioides]
                                    Decaneuropsis
                                            Decaneuropsis cumingiana
                                                   [Vernonia andersonii]
                                            Decaneuropsis gratiosa
                                                   [Vernonia gratiosa]
                                    Dewildemania
                                            Dewildemania burundiensis
                                    Didelta
                                            Didelta spinosa
                                    Distephanus
                                            Distephanus angulifolius
                                                   [Vernonia angulifolia]
                                            Distephanus anisochaetoides
                                                   [Vernonia anisochaetoides]
                                    Eirmocephala
                                            Eirmocephala brachiata
                                                   [Vernonia brachiata]
                                            Eirmocephala cainarachiensis
                                                   [Vernonia cainarachiensis]
                                    Elephantopus
                                            Elephantopus carolinianus
                                            Elephantopus elatus
                                            Elephantopus mollis
                                                   [Elephantopus hypomalacus]
                                            Elephantopus nudatus
                                            Elephantopus scaber
                                            Elephantopus tomentosus
                                    Erato
                                            Erato sodiroi
                                    Eremanthus
                                            Eremanthus arboreus
                                            Eremanthus argenteus
                                            Eremanthus auriculatus
                                            Eremanthus brevifolius
                                            Eremanthus graciellae
                                            Eremanthus ovatifolius
                                            Eremanthus praetermissus
                                            Eremanthus seidelii
                                            Eremanthus uniflorus
                                            Eremanthus veadeiroensis
                                    Eremosis
                                            Eremosis angusta
                                            Eremosis aristifera
                                                   [Vernonia aristifera]
                                            Eremosis heydeana
                                                   [Vernonia heydeana]
                                            Eremosis leiocarpa
                                                   [Vernonia leiocarpa]
                                            Eremosis ovata
                                                   [Vernonia durangensis]
                                            Eremosis pallens
                                                   [Vernonia pallens]
                                            Eremosis palmeri
                                                   [Vernonia palmeri]
                                            Eremosis shannonii
                                            Eremosis tomentosa
                                                   [Vernonia paniculata]
                                    Erlangea
                                            Erlangea alternifolia
                                                   [Haarera alternifolia]
                                            Erlangea remifolia
                                    Ethulia
                                            Ethulia bicostata
                                              Ethulia bicostata subsp. bicostata
                                            Ethulia burundiensis
                                            Ethulia conyzoides
                                              Ethulia conyzoides subsp. conyzoides
                                                     [Ethulia angustifolia]
                                            Ethulia faulknerae
                                            Ethulia greenwayi
                                            Ethulia scheffleri
                                            Ethulia vernonioides
                                              Ethulia vernonioides subsp. vernonioides
                                                     [Hoehnelia vernonioides]
                                    Gazania
                                            Gazania krebsiana
                                              Gazania krebsiana subsp. serrulata
                                                     [Gazania pygmaea]
                                            Gazania rigens
                                              Gazania rigens var. uniflora
                                            Gazania rigida
                                                   [Gazania pavonia]
                                            Gazania thermalis
                                    Gorteria
                                            Gorteria angustifolia
                                                   [Hirpicium angustifolium]
                                            Gorteria personata
                                              Gorteria personata subsp. gracilis
                                    Gutenbergia
                                            Gutenbergia cordifolia
                                                   [Erlangea cordifolia]
                                              Gutenbergia cordifolia var. marginata
                                                     [Erlangea marginata]
                                            Gutenbergia eylesii
                                            Gutenbergia pembensis
                                            Gutenbergia pubescens
                                            Gutenbergia rangei
                                                   [Senecio niveus]
                                            Gutenbergia rueppellii
                                                   [Gutenbergia oppositifolia]
                                            Gutenbergia westii
                                    Gymnanthemum
                                            Gymnanthemum amygdalinum
                                                   [Vernonia amygdalina]
                                            Gymnanthemum auriculiferum
                                                   [Vernonia auriculifera]
                                                   [Vernonia uniflora]
                                            Gymnanthemum coloratum
                                              Gymnanthemum coloratum subsp. coloratum
                                                     [Vernonia colorata]
                                              Gymnanthemum coloratum subsp. oxyurum
                                                     [Vernonia oxyura]
                                            Gymnanthemum myrianthum
                                                   [Vernonia subuligera]
                                            Gymnanthemum thomsonianum
                                                   [Vernonia thomsoniana]
                                    Haplocarpha
                                            Haplocarpha lyrata
                                            Haplocarpha scaposa
                                    Harleya
                                            Harleya oxylepis
                                    Hesperomannia
                                            Hesperomannia arborescens
                                            Hesperomannia arbuscula
                                            Hesperomannia lydgatei
                                    Heterolepis
                                            Heterolepis aliena
                                    Hilliardiella
                                            Hilliardiella aristata
                                                   [Vernonia natalensis]
                                            Hilliardiella capensis
                                                   [Vernonia capensis]
                                            Hilliardiella hirsuta
                                                   [Vernonia hirsuta]
                                            Hilliardiella nudicaulis
                                                   [Vernonia dregeana]
                                    Hirpicium
                                    Hoffmannanthus
                                            Hoffmannanthus abbotianus
                                                   [Vernonia brachycalyx]
                                    Hololepis
                                            Hololepis hatschbachii
                                    Hoplophyllum
                                            Hoplophyllum spinosum
                                    Jeffreycia
                                            Jeffreycia amaniensis
                                                   [Vernonia amaniensis]
                                            Jeffreycia hildebrandtii
                                                   [Vernonia hildebrandtii]
                                            Jeffreycia zanzibarensis
                                                   [Vernonia zanzibarensis]
                                    Joseanthus
                                            Joseanthus chimborazensis
                                            Joseanthus cuatrecasasii
                                            Joseanthus sparrei
                                            Joseanthus trichotomus
                                                   [Vernonia trichotoma]
                                    Lepidaploa
                                            Lepidaploa arbuscula
                                                   [Vernonia arbuscula]
                                            Lepidaploa borinquensis
                                                   [Vernonia borinquensis]
                                            Lepidaploa ehretiifolia
                                                   [Vernonia ehretifolia]
                                            Lepidaploa fruticosa
                                                   [Vernonia fruticosa]
                                            Lepidaploa glabra
                                                   [Vernonia albicaulis]
                                                   [Vernonia punctata]
                                            Lepidaploa harrisii
                                                   [Vernonia harrisii]
                                            Lepidaploa muricata
                                                   [Vernonia muricata]
                                            Lepidaploa pluvialis
                                                   [Vernonia pluvialis]
                                            Lepidaploa proctorii
                                                   [Vernonia proctorii]
                                            Lepidaploa remotiflora
                                                   [Vernonia remotiflora]
                                            Lepidaploa sagraeana
                                                   [Vernonia fallax]
                                            Lepidaploa sericea
                                                   [Vernonia sericea]
                                            Lepidaploa sordidopapposa
                                                   [Vernonia sordidopapposa]
                                            Lepidaploa tortuosa
                                                   [Vernonia tortuosa]
                                            Lepidaploa violiceps
                                    Lepidonia
                                            Lepidonia corae
                                            Lepidonia lankesteri
                                            Lepidonia wendtiana
                                    Lessingianthus
                                            Lessingianthus brevifolius
                                                   [Vernonia brevifolia]
                                            Lessingianthus elegans
                                                   [Vernonia elegans]
                                            Lessingianthus glabratus
                                                   [Vernonia glabrata]
                                            Lessingianthus laurifolius
                                                   [Vernonia laurifolia]
                                            Lessingianthus macrocephalus
                                                   [Vernonia macrocephala]
                                            Lessingianthus mollissimus
                                                   [Vernonia mollissima]
                                    Lettowia
                                            Lettowia nyassae
                                                   [Vernonia nyassae]
                                    Liabum
                                            Liabum amplexicaule
                                            Liabum asclepiadeum
                                            Liabum barclayae
                                            Liabum bourgeaui
                                            Liabum eggersii
                                            Liabum igniarium
                                            Liabum nigropilosum
                                    Linzia
                                            Linzia glabra
                                                   [Vernonia glabra]
                                              Linzia glabra var. laxa
                                                     [Vernonia hindei]
                                            Linzia melleri
                                                   [Vernonia melleri]
                                              Linzia melleri var. superba
                                                     [Vernonia superba]
                                    Lychnocephalus
                                            Lychnocephalus sellovii
                                                   [Lychnophora sellovii]
                                            Lychnocephalus tomentosus
                                    Lychnophora
                                            Lychnophora candelabrum
                                            Lychnophora passerina
                                                   [Haplostephium passerina]
                                            Lychnophora rupestris
                                            Lychnophora salicifolia
                                                   [Vernonia salicifolia]
                                            Lychnophora spiciformis
                                            Lychnophora staavioides
                                    Lychnophorella
                                            Lychnophorella leucodendron
                                                   [Eremanthus leucodendron]
                                    Monosis
                                            Monosis talaumifolia
                                                   [Vernonia talaumifolia]
                                    Moquinia
                                    Munnozia
                                            Munnozia asplundii
                                            Munnozia campii
                                            Munnozia canarensis
                                            Munnozia hastifolia
                                            Munnozia liaboides
                                            Munnozia lyrata
                                                   [Liabum lyratum]
                                            Munnozia senecionidis
                                                   [Liabum angustum]
                                                   [Liabum megacephalum]
                                    Nothovernonia
                                            Nothovernonia purpurea
                                                   [Vernonia purpurea]
                                    Oliganthes
                                            Oliganthes lecomtei
                                            Oliganthes meranoides
                                            Oliganthes pseudocentauropsis
                                            Oliganthes tsaratananensis
                                    Oocephala
                                            Oocephala agrianthoides
                                                   [Vernonia agrianthoides]
                                            Oocephala stenocephala
                                                   [Vernonia stenocephala]
                                    Orbivestus
                                            Orbivestus bamendae
                                                   [Vernonia bamendae]
                                            Orbivestus catumbensis
                                                   [Vernonia catumbensis]
                                            Orbivestus cinerascens
                                                   [Vernonia cinerascens]
                                            Orbivestus homilanthus
                                                   [Vernonia homilantha]
                                            Orbivestus karaguensis
                                                   [Vernonia campanea]
                                                   [Vernonia cistifolia]
                                                   [Vernonia karaguensis]
                                            Orbivestus leopoldii
                                                   [Vernonia leopoldii]
                                    Orthopappus
                                            Orthopappus angustifolius
                                                   [Elephantopus angustifolius]
                                    Paralychnophora
                                            Paralychnophora patriciana
                                    Philoglossa
                                            Philoglossa peruviana
                                    Phyllocephalum
                                            Phyllocephalum microcephalum
                                                   [Lamprachaenium microcephalum]
                                    Piptocoma
                                            Piptocoma antillana
                                            Piptocoma areolata
                                            Piptocoma discolor
                                                   [Oliganthes karstenii]
                                                   [Pollalesta peruviana]
                                            Piptocoma spruceana
                                            Piptocoma vernonioides
                                    Polydora
                                            Polydora poskeana
                                                   [Vernonia poskeana]
                                    Pseudelephantopus
                                            Pseudelephantopus spicatus
                                                   [Distreptus spicatus]
                                                   [Elephantopus spicatus]
                                            Pseudelephantopus spiralis
                                                   [Chaetospira funckii]
                                                   [Elephantopus spiralis]
                                    Quechualia
                                            Quechualia fulta
                                                   [Vernonia fulta]
                                            Quechualia trixioides
                                                   [Vernonia trixioides]
                                    Rolandra
                                            Rolandra fruticosa
                                                   [Rolandra argentea]
                                    Sampera
                                            Sampera asplundii
                                                   [Oligactis asplundii]
                                            Sampera ecuadoriensis
                                                   [Oligactis ecuadoriensis]
                                    Sinclairia
                                            Sinclairia angustissima
                                                   [Liabum angustissimum]
                                            Sinclairia discolor
                                                   [Liabum discolor]
                                            Sinclairia palmeri
                                                   [Liabum palmeri]
                                    Stenocephalum
                                            Stenocephalum megapotamicum
                                                   [Vernonia megapotamica]
                                    Stokesia
                                            Stokesia laevis
                                                   [Stokesia cyanea]
                                    Strobocalyx
                                            Strobocalyx arborea
                                                   [Vernonia blumeana]
                                            Strobocalyx solanifolia
                                                   [Vernonia solanifolia]
                                    Tarlmounia
                                            Tarlmounia elliptica
                                                   [Vernonia elliptica]
                                    Trichospira
                                            Trichospira verticillata
                                                   [Trichospira menthoides]
                                            Venidium arctotoides
                                    Vernonanthura
                                            Vernonanthura alamanii
                                                   [Vernonia dictyophlebia]
                                            Vernonanthura chamaedrys
                                                   [Vernonia chamaedrys]
                                            Vernonanthura crassa
                                                   [Vernonia crassa]
                                            Vernonanthura discolor
                                                   [Vernonia discolor]
                                                   [Vernonia divaricata]
                                            Vernonanthura fuertesii
                                                   [Vernonia barkeri]
                                            Vernonanthura loretensis
                                                   [Vernonia loretensis]
                                            Vernonanthura montevidensis
                                                   [Vernonia florida]
                                                   [Vernonia nitidula]
                                            Vernonanthura nudiflora
                                                   [Vernonia nudiflora]
                                            Vernonanthura oaxacana
                                                   [Vernonia oaxacana]
                                            Vernonanthura patens
                                                   [Vernonia aschenborniana]
                                                   [Vernonia baccharoides]
                                                   [Vernonia deppeana]
                                            Vernonanthura puberula
                                                   [Vernonia puberula]
                                            Vernonanthura serratuloides
                                                   [Vernonia serratuloides]
                                            Vernonanthura squamulosa
                                                   [Vernonia squamulosa]
                                            Vernonanthura westiniana
                                                   [Vernonia westiniana]
                                    Vernonella
                                            Vernonella luembensis
                                                   [Vernonia luembensis]
                                    Vernonia
                                            Vernonia acaulis
                                                   [Vernonia oligophylla]
                                            Vernonia acuminata
                                            Vernonia altissima
                                            Vernonia ampandrandavensis
                                            Vernonia ampla
                                            Vernonia angustifolia
                                            Vernonia arkansana
                                                   [Vernonia crinita]
                                            Vernonia balansae
                                            Vernonia baldwinii
                                                   [Vernonia interior]
                                            Vernonia blodgettii
                                            Vernonia bruceae
                                            Vernonia canescens
                                            Vernonia carnea
                                                   [Vernonia scabra]
                                            Vernonia conferta
                                            Vernonia congolensis
                                              Vernonia congolensis subsp. longiflora
                                            Vernonia corymbosa
                                            Vernonia didessana
                                            Vernonia diffusa
                                            Vernonia djalonensis
                                            Vernonia duvigneaudii
                                            Vernonia elmeri
                                            Vernonia fasciculata
                                            Vernonia foliosa
                                            Vernonia galamensis
                                              Vernonia galamensis var. australis
                                            Vernonia gigantea
                                            Vernonia glauca
                                            Vernonia greggii
                                              Vernonia greggii subsp. ervendbergii
                                                     [Vernonia ervendbergii]
                                            Vernonia hoveaefolia
                                            Vernonia hymenolepis
                                            Vernonia incana
                                            Vernonia jaegeri
                                            Vernonia karvinskiana
                                              Vernonia karvinskiana subsp. karvinskiana
                                                     [Vernonia corymbiformis]
                                            Vernonia lancifolia
                                            Vernonia latisquamata
                                            Vernonia leandrii
                                            Vernonia lettermanii
                                            Vernonia liatroides
                                            Vernonia lindheimeri
                                            Vernonia luhomeroensis
                                            Vernonia marginata
                                                   [Vernonia jamesii]
                                            Vernonia mecistophylla
                                            Vernonia melanocoma
                                            Vernonia mikumiensis
                                            Vernonia missurica
                                            Vernonia monosis
                                            Vernonia muelleri
                                              Vernonia muelleri subsp. integra
                                            Vernonia myriocephala
                                            Vernonia noveboracensis
                                            Vernonia pachyclada
                                            Vernonia parapetersii
                                            Vernonia patens
                                            Vernonia patula
                                            Vernonia pauciflora
                                            Vernonia revoluta
                                                   [Vernonia oligocephala]
                                            Vernonia ruvungatundu
                                            Vernonia scaettae
                                            Vernonia schliebenii
                                            Vernonia sechellensis
                                            Vernonia sengana
                                            Vernonia sphacelata
                                            Vernonia syringifolia
                                            Vernonia tanalensis
                                            Vernonia texana
                                            Vernonia tinctosetosa
                                            Vernonia unicata
                                            Vernonia verticillata
                                            Vernonia zollingerianoides
                                    Vernoniastrum
                                            Vernoniastrum ambiguum
                                                   [Vernonia ambigua]
                                            Vernoniastrum latifolium
                                                   [Vernonia petersii]
                                            Vernoniastrum musofense
                                              Vernoniastrum musofense var. miamensis
                                                     [Vernonia philipsoniana]
                                            Vernoniastrum nestor
                                                   [Vernonia nestor]
                                            Vernoniastrum ugandense
                                                   [Vernonia fontinalis]
                                    Waldheimia
                                    Wulffia
                              Wunderlichioideae
                                    Stenopadus
                                            Stenopadus andicola
                                            Stenopadus cucullatus
                                            Stenopadus huachamacari
                                            Stenopadus obconicus
                                    Stomatochaeta
                                            Stomatochaeta condensata
                                                   [Stenopadus condensatus]
                                            Stomatochaeta cylindrica
                                    Wunderlichia
                                            Wunderlichia mirabilis
                                    Zacintha

Problematic Rooting (82191)
                                                          Tagetes patula 'Golden Beauty'