15 July 1985.
Texas, United States
Locality: Texas Claypan area, Robertson County.
Coordinates: 31.1417, -96.3833
(Map it)
Elevation: 98m.
Environment description: Roadside ditch near drainage. 0 to 1% slope. Thenas, fine sandy loam soil. Average annual precipitation of 36 inches. Associated with Vasey's grass.
Comment: Collected from >6 plants.
Collector(s):