United States, Texas, McMullen, On SE side of Nueces River, in W part of U. S. Navy's Escondido Ranch, ca. 2.0 airmiles NW of HQ, ca. 4.4 airmiles NE of jct. of McMullen, Duval, La Salle, and Webb county lines, at N28o06'26.4", W098o45'41.3". Piedra Creek SE Creek Quadrangle.
28.10733 -98.76147
Dominant grass in shortgrass opening in mesquite-granjeno shrubland on heavy clay on broad, nearly level floodplain. Associates include Celtis pallida, Croton lindheimerianus, Desmanthus virgatus, Dichanthium annulatum, Helianthus ciliaris, Leptochloa filiformis, Opuntia lindheimeri, Panicum cf. hallii, Prosopis glandulosa.