03 October 2009.
Oklahoma, United States
Locality: South side of County Road 4220, about 2.6 miles northwest of intersection with Highway 99/60, 4 miles east of the Tallgrass Prairie Preserve, north of Pawhuska, Osage County.
Coordinates: 36.7525, -96.3169
(Map it)
Elevation: 258m.
Environment description: Roadside prairie (roadside, fence row, and into prairie).
Collector(s):