16 July 1997.
Oklahoma, United States
Locality: Beskham county; Hwy. 30 at the Beckham County, Harmon Colorado Oklahoma line.
Coordinates: 35.0300, -99.9022
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadway. Slope 0-5%, aspect S. Open, loam/clay, seasonally dry to always dry, ridgetop/upper slope. pH7.6.
Number of plants sampled: 30
Collector(s):