United States, Texas, McMullen, In NW part of U.S. Navy's Escondido Ranch, 2.2 airmiles NNW of ranch HQ, ca. 4.9 airmiles NE of SW corner of county. Piedra Creek SE Quadrangle.
28.11517 -98.75586
Common in herbaceous vegetation of disked field on heavy clay soils of broad floodplain of Nueces River. Associates include Acacia minuata, Chloracantha spinosa, Lesquerella lindheimeri, Marsilea sp., Oenothera speciosa, Phyla nodiflora, Rumex pulcher, Spartina spartinae, Stachys crenata.