Locality: | United States. Kentucky. Madison: Berea College Forest, earthen dam of Cowbell Hollow Lake, 1.3 mi south of KY 21 off gravel maintenance road, 940 feet elevation. |
Habitat: | Western Mesophytic Forest, 940 feet elevation. Naturalized cladophyll perennial from Europe; infrequent. |
Collector: | Ralph L. Thompson, Katrina Rivers Thompson 10-217 |