20 October 2015.
Texas, United States
Locality: west side of Hwy 183, ~4 mi N of Hwy 183 in Luling, Caldwell county
Coordinates: 29.7332, -97.6557
(Map it)
Elevation: 145m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland on flat and E-facing, gentle slope, with rocky soil derived from limestone with Grindelia, Quercus, Opuntia, and Schinus.
Comment: pop size 1000; plants up to 1.8 m tall
Collector(s):