04 October 2006.
California, United States
Locality: North side of Highway 33, west of Firebaugh, ~3 miles east of intersection with Hudson, ~9 miles east of Merced/Fresno County line.
Coordinates: 36.8903, -120.5028
(Map it)
Elevation: 133m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Sandy, rocky roadside, cotton fields to the north, adjacent to dirt track.
Number of plants sampled: 50
Comment: Population size >100; just past peak flowering.
Collector(s):