United States, Texas, Presidio, Chinati Mtns. State Natural Area. At the Cienaga, western quadrant of Natural Area; SW of Sierra Parda.
29.905 -104.56667
In the center of the cienaga, a dense mat of grasses and Cyperaceae in saturated alkali soil. Assoc. Sporobolus airoides, Distichlis spicata, Baccharis, Eleocharis, Cyperus, Juncus. Annual . At the outer edge of the Cienaga. Rare. Apparently a first record for Texas.