Locality: | United States. Kentucky. Laurel: South bank in Laurel County. Frequent; sandy alluvial floodplain. Associates: Euphorbia rhomboidea- Polygonum pennsylvanicum- Boehmeria cylindrica- Pilea pumila. |
Habitat: | Laurel County: Rockcastle River alluvial floodplain and gravel bars- ca. 2.2 miles west of US 25 off KY 1329 in Rockcastle County- |