20 June 1985.
Texas, United States
Locality: Matagorda County.
Coordinates: 28.9167, -95.7500
(Map it)
Elevation: 6m.
Environment description: Hay meadow. 0-1% slope. Pledger, clay soil. Average annual precipitation of 44 inches. Associated with little blue-stem, switch grass, and wild rye.
Comment: Collected from >6 plants.
Collector(s):