Locality: | United States. Kentucky. Clark: Abandoned limestone quarry- 0.9 mi. W of Jct. KY 1924 on KY 418 (Old Athens-Boonesboro Rd.)- and 0.2 mi. E of Lisletown (Halls on the River) adjacent to Kentucky River. |
Habitat: | Acer saccharum highwall talus. Associate: Impatiens capensis- Rumex crispus- Boehmeria cylindrica- Eupatorium rugosum- Festuca elatior- Verbena urticifolia. |