17 October 2015.
Oklahoma, United States
Locality: at end of unnamed dirt road, ~1 mi east of N 2660 Rd and south of Hwy 11, north of Great Salt Plains Lake, Alfalfa county
Coordinates: 36.7993, -98.2497
(Map it)
Elevation: 350m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Grassland on island in salt plains, with deep soil derived from sediment and sand with Tamarix and Rhus.
Comment: pop size 1000; plants up to 1.5 m tall
Collector(s):