03 December 2015.
Texas, United States
Locality: west side of Hwy 77 at Armstrong, ~25 mi north of Raymondville, Kenedy county
Coordinates: 26.9240, -97.7922
(Map it)
Elevation: 11m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland along railroad tracks, with deep, sandy soil with Not Recorded.
Comment: pop size 1000; plants up to 4.0 m tall
Collector(s):