United States, Texas, Bexar, E of San Antonio River; S side of NPS San Juan Dam tract, 100-400 ft. W of South Presa St. ca. 0.4-0.8 mi NNW of its jct. with SW Military Dr.. [Flora of San Antonio Missions NHP.].
29.35611 -98.46556
Occasional in former cropland now supporting weedy exotic haymeadow, on clay loam (Venus Series) of old river floodplain. Associates include 80 of the weediest species of the region.
flowers and fruits
Sheet
Flora of San Antonio Missions NHP. NPS accession no. SAAN-00304, NPS catalog no. 20707.