Collected
PRE 2002.
Iowa, United States
Locality: Numerous samples originally acquired from native prairie remnants within the central section of three tiers of counties located in Iowa. A total of 23 sites were sampled representing 13 counties including Shelby (2 sites), Guthrie (2 sites), Jackson, Clinton, Black Hawk (4 sites), Delaware, Polk, Story (3 sites), Calhoun, Jasper (4 sites), Marshall, Sac, Grundy.