29 August 2011.
South Dakota, United States
Locality: North of Mitchell approximately 7.42 miles just off highway 37 near 246th St., T104N R60W NE 1/4 Sec. 16, Davison County.
Coordinates: 43.8120, -98.0326
(Map it)
Elevation: 384m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Pasture hillside on 30 degree slope. Gravel substrate.
Number of plants sampled: 250
Aspect: South;
Slope: 30
Comment: Collected by: Jeff Hansen. Noted approximately 1,000 specimens and sampled 3 acre area.