Locality: USA, Colorado, Jefferson, Golden, Deadman Gulch. Slightly above the watercourse locally named “Kinney Run,” between US Highway 6 and Eagle Ridge Drive, 3.2 km. south of the GNIS location of Golden
39.7338763 -105.2160282 WGS 1984
Elevation: 1791 meters (5874ft)
Variety trilobata if infraspecific names are to be applied. Native and Naturalized Flora of the Golden Area.