United States, Texas, Parker, E side of Bear Creek Ranch, ca. 3.1 airmiles NW of jct. US Rt. 377 and Kelly Rd., ca. 4.7 airmiles S to SSW of jct. F M. 5 and F. M. 2376 S of Aledo. Cresson Quadrangle.
32.61947 -97.61622
Common on disturbed clay loam on dam and along drying margin of small stock tank in shallow drainageway on gently rolling prairie landscape underlain by Cretaceous limestone (Kiamichi or Duck Creek formation). Associates include Bothriochloa laguroides var. torreyana, Sorghum halepense, Tridens albescens.