16 October 2015.
Oklahoma, United States
Locality: along Hwy 281 ~1.5 mi north of the Salt Fork Arkansas River, north of Alva, Woods county
Coordinates: 36.8337, -98.6481
(Map it)
Elevation: 415m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland on roadside and gentle, SW-facing slope, with sandy soil with Amaranthus, Prunus, and Sorghum.
Comment: pop size 1000; plants up to 0.5 m tall
Collector(s):