United States, Texas, Presidio, Ca. 1 mi. NNE of house complex, ca. 6 mi. NW of Marfa. Hip-O Ranch Preserve. Smith Hills Quadrangle.
30.37617 -104.09713
Occasional in shortgrass grassland on fine textured soil on level valley flat among low igneous fine hills, W side of broad valley of Fourmile Draw. Associates include Acourtia nana, Astragalus mollissimus var. marcidus, Berlandiera lyrata, Bouteloua gracilis, Condalia ericoides, Croton pottsii, Evax verna, Gaillardia pinnatifida, Glandularia sp., Lesquerella fendleri, Melampodium leucanthum, Mentzelia multiflora, Oenothera albicaulis, small Prosopis glandulosa, Senecio riddellii, Sphaeralcea coccinea, Stephanomeria sp., Thelesperma ambiguum.