21 August 2014.
Texas, United States
Locality: Along County Road 257 (Bluewater Highway), San Luis Pass County Park, Brazoria County.
Coordinates: 29.0789, -95.1296
(Map it)
Elevation: 10m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Along arroyo, roadside, and into grassland.
Number of plants sampled: 35
Comment: Massive population.
Collector(s):