Locality: | United States. Kentucky. Grayson: Western Ky Pkwy Eastbound ca. 0.5 mi west of exit # 107 Litchfield exit (Ky 259). |
Habitat: | Growing in wet drainage ditch. Associates: Typha latifolia, Setaria glauca, Panicum dichotomiflorum, and Echinochloa crus-galli. |