30 November 2015.
Texas, United States
Locality: vicinity of Venado Swale, Vendo Mill, Welder Wildlife Refuge, north of Sinton, San Patricio county
Coordinates: 28.1215, -97.3925
(Map it)
Elevation: 8m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland on flat, with deep, sandy soil with Prosopis, Andropogon, Croton, and Helianthus.
Comment: pop size 10000; plants up to 3.5 m tall
Collector(s):