25 November 2015.
Texas, United States
Locality: east side of Hwy 83 just south of bridge over Manahuilla Creek, north of Goliad, Goliad county
Coordinates: 28.7001, -97.3877
(Map it)
Elevation: 50m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Weedy riparian vegetation near creek, with deep soil derived from sand with Quercus, Acacia, Sorghum, Helianthus, and Celtis.
Comment: pop size 10000; plants up to 3.5 m tall
Collector(s):