United States, Texas, Taylor, NW side of main jeep trail in Camp Barkley (Nat'l Guard), ca. 0.8-0.9 mi. SSW of entrance gate, ca. 1.9 airmiles SE of jct. FM 1235 and US 277. Buffalo Gap Quad.
32.31806 -99.87
Common on dry outcrops of Cretaceous limestone of Callahan Divide ridgetop, open juniper-oak woodland mixed with Buchloe dactyloides - Bouteloua rigidiseta grassland.