An official website of the United States government.

dot gov icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

https icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Agricultural Research Service
U.S. Department of Agriculture

Secondary Links

  • My Profile
  • ARS Home
  • Sign In

Main menu

    • Search All Collections
    • Search National Arboretum Herbarium
    • Search National Seed Herbarium
    • Search National Fungus Collections
    • Search Entomopathogenic Fungal Cultures Collection
    • Map Search All Collections
    • Map Search National Arboretum Herbarium
    • Map Search National Seed Herbarium
    • Map Search National Fungus Collections
    • Map Entomopathogenic Fungal Cultures Collection
    • About National Arboretum Herbarium
    • About National Seed Herbarium
    • About National Fungus Collections
    • About Entomopathogenic Fungal Cultures Collection

Usnea

Usnea
Family: Parmeliaceae
Usnea image
  • Resources
Show all taxa
Usnea angulata
Image of Usnea angulata
Usnea articulata
Image of Usnea articulata
Usnea cavernosa
Image of Usnea cavernosa
Usnea ceratina
Image of Usnea ceratina
Usnea chaetophora
Image of Usnea chaetophora
Usnea diplotypus
Image of Usnea diplotypus
Usnea florida
Image of Usnea florida
Usnea fragilescens
Image of Usnea fragilescens
Usnea fulvoreagens
Image of Usnea fulvoreagens
Usnea glabrata
Image of Usnea glabrata
Usnea glabrescens
Image of Usnea glabrescens
Usnea hirta
Image of Usnea hirta
Usnea lapponica
Image of Usnea lapponica
Usnea pendulina
Image of Usnea pendulina
Usnea rubicunda
Image of Usnea rubicunda
Usnea scabrata
Image of Usnea scabrata
Usnea subfloridana
Image of Usnea subfloridana

Footer menu

  • Home
  • Sitemap

Social Media

  • Facebook
  • Twitter
  • YouTube

Government Links

  • AskUSDA
  • Policies and Links
  • Plain Writing
  • FOIA
  • Accessibility Statement
  • Privacy Policy
  • Non-Discrimination Statement
  • Civil Rights Policy
  • Information Quality
  • Agricultural Research Service
  • USDA.gov
  • USA.gov
  • WhiteHouse.gov

Sign up for ARS News updates