1991.
Kansas, United States
Locality: Growing in virgin prairie at The Prairie Center, Johnson Co. De Soto Quad, T13S R23E, NE1/4 of NE1/4 of Sec. 31. Growing with big bluestem, Sorghastrum and Solidago.
Coordinates: 38.8667, -94.8667
(Map it)
Elevation: 305m.
Georeference protocol: Center of 2nd Order Admin Level