02 December 2015.
Texas, United States
Locality: at jct of FM Rd 755 and Hwy 281, Rachal (south of Encino), Brooks county
Coordinates: 26.8902, -98.1370
(Map it)
Elevation: 35m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland on flat, with deep, sandy soil with Celtis, Prosopis, Opuntia, and Helianthus.
Comment: pop size 1000; plants up to 4.0 m tall
Collector(s):