United States, Texas, Denton, Along Marshall Branch. City of Trophy Club ca. 2.25 mi. E of the int. of Hwys. 114 and 377. Lewisville W Quad.
33.00417 -97.68889
Common on a recently cleared tract of Ulmus/Celtis dom. woodland. Associates included Bromus japonicus, Dichanthelium oligosanthes, Hordeum pusillum, Lolium perenne, Commelina erecta, Rumex crispus, Oenothera laciniata, Solanum dimidiatum, and Ambrosia psilostachya among many others.