United States, Texas, Terrell, Along tributary of Independence Creek entering that stream from the N, just E of Oasis Ranch HQ, ca. 1.8-1.9 airmiles E to ENE of St. Rt. 349 bridge over Independence Creek. Oasis Ranch Quadrangle.
Frequent in area, emersed on moist clay and limestone gravel along perennial stream spring run as well as submersed in clear floating water of stream itself. Associates include Chloracantha spinosa, Schoenoplectus sp., Eleocharis rostellata, Najas marina, Potamogeton illinoensis and Baccharis sp.