24 September 2007.
Texas, United States
Locality: Mostly north and some south of un-named dirt road going west, west side of Highway 90, 0.3 mile south of Interstate 10, Van Horn.
Coordinates: 31.0333, -104.8306
(Map it)
Elevation: 1228m.
Georeference protocol: Lat/lon determined by GPS
Environment description: along fencerow and into fenced pasture.
Number of plants sampled: 200
Comment: Population size very large; >1000 scattered along roadside for 0.25 mile and into pasture.
Collector(s):