United States, Texas, San Patricio, 0.2 mi. S of gate to McGregor Ranch/Nueces Delta Preserve, 500 ft. E of US Rt 77 from a point 3.7 mi. SSW of Jct. FM 621 in Odem. Odem Quadrangle.
27.91013 -97.62302
Occasional in huisache-invaded pasture on poorly drained slightly saline clay soils on +/- level Nueces River floodplain a foot or two upslope from succulent-dominated salt marsh. Associates include Acacia smallii, Atriplex arenaria, Borrichia frutescens, Buchloe dactyloides, Cynodon dactylon, Leptochloa nealleyi, Opuntia lindheimeri, Panicum maximum, Rayjacksonia phyllocephala, and Spartina spartinae.