17 October 2015.
Oklahoma, United States
Locality: along Sahara Drive, north of campground, Little Sahara Sand Dunes, south of Waynoka, Woods county
Coordinates: 36.5634, -98.8894
(Map it)
Elevation: 465m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Shrubland and grassland on flat and roadside ditch, with deep, sandy soil with Juniperus, Prunus, Artemisia, and Andropogon.
Comment: pop size 100000; plants up to 2.0 m tall
Collector(s):