12 July 2011.
Colorado, United States
Locality: East side of Highway 287, approximately 0.4 mile to Ingleside Road, La Porte, Larimer County.
Coordinates: 40.7277, -105.1711
(Map it)
Elevation: 1677m.
Environment description: Roadside.
Comment: Very large population of >5,000 plants.
Collector(s):