29 September 2009.
Kansas, United States
Locality: Primarily east side of Highway 99 (some plants on west side of highway), about 2 miles south of Highway 36, east of Marysville, Marshall County.
Coordinates: 39.8144, -96.4172
(Map it)
Elevation: 390m.
Environment description: Grassy roadside ditch and slope.
Collector(s):