13 July 1998.
Hartley County, Texas, United States
Locality: Located 39 miles nortwest of Amarillo near intersection Hwy 354 and FM 2202
Coordinates: 35.6908, -102.3472
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Grazed/roadway, slope 0-5%, aspect E/SE. Open, sand/loam, seasonally dry, midslope/lower slope. pH 8.0.
Number of plants sampled: 50
Collector(s):