United States, Texas, McMullen, Near large tank on main E-W road on E side of U. S. Navy's Escondido Ranch, ca. 3.2 airmiles E to ENE of HQ, ca. 1.2 airmiles N of center of Rowland Tank (as marked on Mirasol Creek Quadrangle), at N28o05'34.6", W098o41'15.2".
28.09294 -98.68756
Occasional in disturbed sandy clay in idle wildlife food plots plowed in clearing in mesquite woodland on +/- level upland underlain by Frio Formation. Associates include Abutilon abutiloides, A. incanum, Conyza coulteri, Eragrostis cilianensis, Funastrum cynanchoides, Mollugo verticillata, Tidestroemia lanuginosa, Verbesina encelioides.