25 September 1985.
Nebraska, United States
Locality: Pawnee County, Liberty SE Quad, T1N R10E, extreme NW corner of NE1/4 of NE1/4 of Section 29, Pawnee Prairie.
Elevation: 434m.
Environment description: Growing in old field returning to tallgrass prairie with Aster ericoies, Sorghastrum, and little bluestem on south facing slope.
Collector(s):