United States, Texas, Lampasas, Ca. 6 mi. E of Colorado R. on FM 580.
Rocky caliche roadside. Infrequent perennial to 25 cm. Florets white with yellow throats; outer rays with pink backs. With Bouteloua, Bothriochloa, Hymenoxys, Gaillardia, Ziziphus, and Aristida. N=9 II.