United States, Texas, Bastrop, At old road crossing ca. 0.4 airmiles SW of Hoppy Spring, ca. 1-0-1.1 airmiles SW of jct. St. Rt. 21 and F. M. 1441 NE of Bastrop. Bastrop State Park. Smithville NW Quadrangle.
30.13683 -97.22539
In herbaceous vegetation in white sand in higher drier part of streambottom, in opening in woodland at base of gentle slope underlain by Carrizo Sand. Area lightly burned during Bastrop Complex Wildfire of September 2011. Associates included Briza minor, Callitriche peploides, Carex spp., Dichanthelium scoparium, Dichondra carolinensis, Galium tinctorium, Gratiola neglecta, Juncus diffusissimus, Leersia virginica, Lindernia dubia, Ludwigia decurrens, L. glandulosa, Modiola caroliniana, Persicaria sp., Phalaris caroliniana, Sisyrinchium rosulatum, Steinchisma hians, Strophostyles sp.