16 July 1997.
Oklahoma, United States
Locality: Greer County.
Coordinates: 34.9733, -99.8000
(Map it)
Georeference protocol: Lat/lon determined by GPS
Environment description: Grazed and roadway, slope 6-10%. Aspect SE, open light, loam, always dry, ridgetop. pH=7.8.
Number of plants sampled: 30
Comment: Dark brown soil, sampled to 4 inches. Fenceline adjacent to lightly grazed pasture open to south winds. Green plants; sparce, big heads with no ergot.
Collector(s):