14 August 2005.
Wyoming, United States
Locality: Both sides of Dutton Creek Road (Road 57) at Four Mile Creek, <0.1 mile west of Interstate 80 as the crow flies, 12 miles northwest of Exit 297 (Herrick Lane), Albany County.
Coordinates: 41.4819, -106.0225
(Map it)
Elevation: 2316m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Sandy, rocky ditch, roadside and flat area into edges of irrigated meadow
Comment: Population size 500-1000; past peak flowering. H. nuttallii in meadow.
Collector(s):