United States, Texas, Hunt, Cowleech Fork of Sabine River in SW corner of Cowleech Prairie Preserve, ca. 200 ft. N to NNE of gate on N side of Co. Rd. 3128 at a point 1.0 roadmiles E of its jct. with US Rt. 69 S of Greenville.
33.06864 -96.00972
In herbaceous vegetation in unshaded bottom of shallow depressional area within gamagrass prairie on soils mapped as deep, somewhat poorly drained, mildly alkaline clay Vertisols (Kaufman Series), upper edge of floodplain. Associates included Aster subulatus, Cardiospermum halicacabum, Carex crus-corvi, Cephalanthus occidentalis, Croton capitatus, Cuscuta sp. (on Iva annua), Echinochloa muricata (29931), Hydrolea ovata, Iva annua, Lycopus americanus, Persicaria hydropiperoides, Pluchea sp. (29932), Sesbania exaltata.