| Locality: | United States. Kentucky. Madison: Fort Boonesborough State Park, southwest of junction of KY 627 and the Kentucky River. |
| Habitat: | Ruderal areas and woodland edges; infrequent to occasional; sprawling growth; non-varigated form also found. Associates: Aster spp., Solidago spp., Lamium spp., Veronica spp., Geranium carolinanum. Native to eastern Asia. |
| Collector: | J. Richard Abbott, Ralph L. Thomas, and Randy L. Mears 4050 |