| Locality: | United States. Kentucky. Pulaski: Bobtown Quadrangle, near Woodstock, 2.4 km east on Ocala Road from junction with Ky. 39, near Hazeldell Church of Christ; near parking lot |
| Habitat: | Wet roadside ditch near parking lot. Associates: Ambrosia artemisiifolia, Cyperus flavescens, Digitaria ischaemum, Echinochloa crus-galli, Acalypha rhomboidea, Eupatorium coelestinum, Bidens sp. |
| Collector: | J. Richard Abbott, Andy E. Shupe 6324 |