Collected
08 July 1992.
Texas, United States
Locality: Starr Co., ca. 0.5 mi. on dirt road, W from paved road, 1.0 mi. S of jct. Hwy 83 at Santa Margarita, NW of Roma.
Environment description: Low, periodically inundated area along road with Acacia farnesiana and Prosopis glandulosa var. glandulosa.