12 June 1997.
Oklahoma, United States
Locality: Comanche County; South of Hwy 7, east of Lawton Oklahoma
Coordinates: 34.5933, -98.3342
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Settlement, slope 0-5%. Open, loam/clay, seasonally dry to always dry, ridgetop/plateau. pH 7.1 to 7.8.
Number of plants sampled: 100
Collector(s):