21 September 1989.
Kentucky, United States
Locality: In ditch at base of rock outcrops with Rudbeckia, Eupatorium coelestinum, Euphorbia dentata, and Verbesina virginica. .3 mi E US 150 on Fairmount Rd, N roadside ditch Mount Washington quad. Fairmount city, in Jefferson Cty.
Coordinates: 38.1167, -85.5667
(Map it)
Elevation: 185m.
Comment: Population of 15 plants.