27 September 2007.
Arizona, United States
Locality: Between farm lane and road, east side of School Bus Road, southeast approach to bridge over Little Colorado River, 0.2 mile south of Highway 260, west of Springerville/Eager.
Coordinates: 34.1069, -109.3242
(Map it)
Elevation: 2151m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Sandy loam soil.
Number of plants sampled: 200
Comment: Population size ~500, just past peak flowering.
Collector(s):