17 September 2010.
Ohio, United States
Locality: Along Highway 18 (North Star Fort Loramie Road), just east of Wabash River bridge, east of Eldora Speedway, southeast of intersection of Highways 118 and 705, Darke County.
Coordinates: 40.3229, -84.6196
(Map it)
Environment description: Roadside, above a creek, beside guard rail. Associated with giant millet.
Collector(s):