14 July 1997.
Oklahoma, United States
Locality: Carter County; Northwest of Healdton, Oklahoma, west of intersection of Hwy 76 and Oil City Road
Coordinates: 34.2739, -97.5114
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Roadway. Slope 0-5%, aspect S. Loam/clay, seasonally dry to always dry, lower slope. pH8.5.
Number of plants sampled: 50
Collector(s):