08 July 1998.
Oklahoma, United States
Locality: Carter County; Appr. 1 mile New Mexico of Hwy 70, Newport Road intersection Lone Grove, O
Coordinates: 34.1772, -97.2725
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Grazed, slope 05-%. Open, sand/loam, moist to seasonally dry, ridgetop. pH 6.2.
Number of plants sampled: 50
Collector(s):