United States, Iowa, Marshall County, Marietta Sand Prairie Preserve approximately 7.5 miles northwest of Marshalltown. Virgin, remnant diverse prairie. Collected on Colo-Ely complex. -93.0372 degrees W Long. (NAD83). T84N R19W NW 1/4 SE 1/4 NW 1/4 SW 1/4 Sec 11.
42.0971
308 meters (1010ft)
soil extemely sandy and wet; slope: 0-5%.
Good flower/seed production.
Pressed specimen
Voucher of Ames 32827 for the USDA-ARS NCRPIS, Ames, IA and the U.S. National Plant Germplasm System.