United States, Texas, Hunt, On floodplain of major stream, just inside W gate of Cowleech Prairie Preserve, ca. 5-100 ft. N of Co. Rd. 3128 from a point 1.0 roadmiles E of its jct. with US Rt. 69 S of Greenville. Greenville SE Quadrangle.
33.06825 -96.00997
In weedy herbaceous vegetation in disturbed portion of gamagrass prairie vegetation, on soils mapped as deep, somewhat poorly drained, mildly alkaline clay Vertisols (Kaufman Series). Associates included Ambrosia trifida, Bromus sp., Carex cherokeensis, Dichanthelium oligosanthes, Dracopis amplexicaulis, Geranium carolinianum, Lathyrus hirsutus, Lolium perenne, Medicago orbicularis, Oenothera speciosa, Physalis sp., Rumex altissimus, Trifolium dubium, T. resupinatum, T. vesiculosum, Tripsacum dactyloides, Verbena halei, Vicia sativa, V. tetrasperma.