10 August 2012.
South Dakota, United States
Locality: Located approximately 16.6 miles west of Custer along Forest Service Road 668 just north of highway 16, T3S R2E NW 1/4 Sec. 31, Custer County.
Coordinates: 43.7483, -103.9312
(Map it)
Elevation: 1600m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Valley composed of grazed and burned areas with eastern aspect. Growing in association with Ratibida columnifera, Pinus ponderosa, Liatris punctata, Grindelia squarrosa, Rosa sp., and Symphoricarpos occidentalis.
Number of plants sampled: 1500
Aspect: East;
Slope: 5;
Soil Texture: Silt Loam
Comment: Specimens noted approximately 6-18" in height. Population size approximately 10,000 plants.