17 September 1989.
West Virginia, United States
Locality: In gravel in clay ditches on sides of road with Ambrosia artemisiifolia, Daucus carota, Aster pilosus, and Setaria. 2.1 S US 60 on Co 50, N of bridge cross Anthony Creek, White Sulphur Springs quad. in Greenbrier Cty.
Coordinates: 37.7500, -80.2667
(Map it)
Elevation: 600m.
Collector(s):