United States, Texas, Cooke, 0.2 mi W of main gate on Pittman Unit of Dixon Ranch, ca. 1.9-2.0 airmiles SSE of jct. Farm Road 373 and Farm Road 1630, ca. 7-8 airmiles S of Muenster. Freemound Quadrangle.
33.55139 -97.38114
Rare, a few immature plants noted, in heavily grazed prairie grassland on shallow stony soils on level to slightly convex upland underlain by Cretaceous Limestone. Associates include Allium drummondii, Ambrosia psilostachya, Artemisia ludoviciana, Astragalus nuttallianus, Buchloe dactyloides, Cirsium undulatum, Erioneuron pilosum, Erodium texanum, Evax prolifera, Gutierrezia sp., Linum pratense, Medicago minima, Oenothera triloba, Phyllanthus polygonoides, Schizachyrium scoparium, Sisyrinchium sp., Solanum rostratum, Tetraneuris linearifolia.