02 October 2007.
New Mexico, United States
Locality: Both sides of Highway 357 between State Roads 229 and 357, 1.6 miles north of junction with Highway 82, Artesia.
Coordinates: 32.8692, -104.4003
(Map it)
Elevation: 1028m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadside ditch and fencerow adjacent to soybean field on the west; roadside between road and railroad on the east. Sandy loam soil.
Number of plants sampled: 100
Comment: Population size ~1000; early flowering, site had been mowed.
Collector(s):