| Locality: | United States. Kentucky. Madison: Cowbell Reservoir, 16.8 surface acres, created in 1954- elevation 988 feet, 1.0mi W of US 421-25 and KY 21 at Bighill. 1.7 mi S on maintenance? road, Berea College Forest, knobs Section, Western Mesophytic Forest. |
| Habitat: | 16.8 surface acres, created in 1954. Western Mesophytic Forest. Seasonally Dewatered Flats [Impatiens-Leersia-Boehmeria]; infrequent. Associates: Microstegium vimineum, Phyllanthus caroliniensis, Polygonum punctatum, Ammania coccinea. |