11 August 2005.
Colorado, United States
Locality: North side of Central City Parkway, 1.5 miles north of Interstate 70W, Exit 243 (recently completed highway; 1 or 2 years in 2005), Clear Creek County.
Coordinates: 39.7525, -105.4581
(Map it)
Elevation: 2380m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Moderate slope, rocky soil. Mountain mahogany, gumweed, young seedlings.
Comment: Population size >200; well past peak flowering.
Collector(s):