United States, Texas, Brooks, SW side of Vargas Creek ca. 0.9-1.0 airmiles NW of culvert on R. M. 755, 0.7-0.8 airmiles SE of La Viznaga Windmill. Encinitos Ranch.
26.83472 -98.35281
In moist tight fine sand or loamy sand in open spots in young mesquite woodland on gentle slope along wet-weather drainageway on very gently undulating landscape of South Texas Sand Sheet. Associates include Agrostis hiemalis, Anagallis minimus, Bulbostylis capillaris, Drosera brevifolia, Eleocharis sp., Gamochaeta sp., Gaura brachycarpa, Isocoma drummondii, Lepuropetalon spathulatum, Lesquerella sp., Lindernia anagallidea, Sabatia campestris, Utricularia subulata.