United States, Texas, Jim Wells, W side of S arm of Naval Auxiliary Landing Field Orange Grove, ca. 2.6-2.7 airmiles E of jct. US Rt. 281 and Co. Rd. 220. San Diego NE Quadrangle.
27.88194 -98.05203
Rare in shallow sand on concrete footer of culvert on partially shaded low water crossing of wet-weather stream. Associates include Bromus catharticus, Calyptocarpus vialis, Carex tetrastachya, Chaerophyllum tainturieri, Funastrum cynanchoides, Galium aparine, Parietaria pensylvanica, Solanum ptycanthum, Sonchus asper, Teucrium cubense, Torilis nodosa, Veronica peregrina.