07 June 1997.
Oklahoma, United States
Locality: Carter County; Lone Grove, Oklahoma; approx. 1 mile New Mexico of Hwy. 70 Newport Rd. intersect
Coordinates: 34.1775, -97.2725
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Cultivated in the past. Cultivated and grazed now., slope 0-5%. Open, sand/loam, moist to seasonally dry, ridgetop. pH 6.2.
Number of plants sampled: 50
Collector(s):