| Locality: | United States. Kentucky. Lewis: Brush Creek Island, 17-acres, Ohio River, Mile 388, 2.0 mi E of Concord and 0.2 mi W of Chalkley Station off KY 8, or 9.7 mi E of Manchester, Ohio, off US 52, at Brush Creek Campground. Elev. 153 m, 38.71226° N, -83.460946°W. Elevation 154 m, Concord Quadrangle. |
| Habitat: | Unconsolidated Shoreline. Naturalized annual; infrequent. Associates: Microstegium vimineum, Ambrosia artemisiifolia, Impatiens pallida, Impatiens capensis, Phytolacca americana, Hypericum punctatum. |
| Collector: | Rudy A. Gelis, R. L. Thompson BC-1006 |