United States, Texas, Matagorda, Along NW bank of Intracoastal Waterway, ca. 1.2 airmiles S of HQ of Mad Island Marsh Preserve (TNC). Palacios NE Quadrangle.
28.62783 -96.09919
Common in packed sand and crushed oyster shell in bed of road along edge of shrubland on natural shell ridge. Associates include Agalinis strictifolia, Gaillardia pulchella, Leptochloa dubia, Polanisia dodecandra, Portulaca oleracea.