Locality: United States, Colorado, Jefferson, East base of the hogback locally called Tin Cup Ridge, the northward extension of Dinosaur Ridge into Golden, 6.4 km. south southeast of the GNIS location of Golden.
39.71360634 -105.2038089 WGS 1984
Elevation: 1889 meters (6196ft)
Habitat: Mixed grasses and forbs. Collected with Achillea millefolium, Erigeron tracyi, Heterotheca villosa, and Medicago lupulina.