July 1986.
Texas, United States
Locality: Mills County.
Coordinates: 31.4722, -96.8694
(Map it)
Elevation: 392m.
Environment description: 1% slope with a western exposure. West, silty loam soil. Average annual precipitation of 25 inches. Associated with Canadian wild rye, Johnson grass, and Texas winter grass.
Comment: Collected from >6 plants.
Collector(s):