| Locality: | United States. Kentucky. Clay: Sexton's Creek area, ca 4 km southwest of the Owsley County line on KY 577. |
| Habitat: | Roadside banks and wet ditches; frequent, often locally abundant. Associates: Eupatorium fistulosum, Amphicarpaea bracteata, Impatiens capensis, Solidago canadensis, Aster pilosus, Panicum anceps, Lobelia siphilitica, L. cardinalis, Polygonum sagittatum. |
| Collector: | J. Richard Abbott, Leslie C. Isaacs 6318 |