United States, Texas, Parker, Just S of main gate on Bear Creek Road, ca. 4.0 airmiles S to SSW of jct. St. Rt. 5 and F.M. 1187 at Aledo. Bear Creek Unit of Dixon Ranch. Aledo Quadrangle.
32.62683 -97.61169
Locally comon in partial shade of live oaks on clay soils on valley flat underlain by Creataceous limestone. Associates include Bothriochloa ischaemum, Bromus japonicus, Capsella bursa-pastoris, Chamaesyce prostrata, Cirsium texanum, Medicago minima, Solanum elaegnifolium.