United States, Texas, Wharton, On and NW of the intersection of FM 2674 and CO RD 320, 4.9km S of Hwy. 71, S of El Campo.
Infrequent in prairie remnant with Baptista braceata var. leucophaea, Eryngium yuccifolium, Fimbristylis puberula, Muhlenbergia capillaries, Paspalum plicatulum, Pityopsis graminifolia, Rhynchospora spp., Schizachyrium scoparium var. scoparium, and Silphium gracile.