Collected
25 April 2005.
Montana, United States
Elevation: 1683m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Slope: 0-45 degrees. Aspect: N-NE-NW. Soil colour 10YR 3/3.
Number of plants sampled: 262
Comment: Collected by Bureau of Land Management, USA. Associated with Thermopsis rhombifolia, Artemisia tridentata, Pinus ponderosa, Phlox hoodii, Bouteloua gracilis, Bromus spp.