United States, Texas, Starr, W side of a NW-SE stretch of FM 1017 ca. 8.0-8.2 roadmiles NW of Jct. FM 755 at La Gloria. On Guerrero property (Las Comitas). Agua Nueva SE Quadrangle.
26.773 -98.62453
Occasional in loose, well-drained, neutral light brown fine sand (Sarita Series) in grassland component of mesquite savanna on level upland of Holocene sand sheet. Associates include Acalypha radians, Aphanostephus skirrhobasis, Cenchrus spinifex, Chamaecrista texana, Cnidoscolus texanus, Croton sp., Eragrostis sp., Eriogonum multiflorum, Gaillardia pulchella, Galactia canescens, Hymenopappus artemisiifolius, Matelea parviflora, Pennisetum ciliare, Phlox drummondii, Rhynchosia americana, Sida lindheimeri, and Tetragonatheca repanda.