United States, Florida, Leon, Locally abundant in disturbed sandy soil, in midian of 4-laned highway (U.S. Rt 27) at Chaires Crossroads, just within Leon Co. from boundary of it with Jefferson Co. With other weedy plants such as: Medicago lupulina, Vicia angustiflia, Chaerophyllum taintureri, Cynodon dactylon, Geranium carolinianum.