16 August 2005.
Wyoming, United States
Locality: Both sides of Cold Springs Road (2.3 miles south of pavement, Highway 91), Converse County.
Coordinates: 42.5633, -105.7064
(Map it)
Elevation: 2048m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Steep, rocky, sandy road cut and into adjacent sloped meadow.
Comment: Population size 250; past peak flowering. H. annuus present.
Collector(s):