| Orbexilum onobrychis (Nutt.) Rydb. |
| Currently Accepted Name: | Orbexilum onobrychis (Nutt.) Rydb. |
| Locality: | United States. Kentucky. Pulaski: Bobtown Quadrangle, near Woodstock, ca. 1.9 km east on Ocala Road from jct. with Ky. 39, along north side of road |
| Habitat: | Overgrown roadside adjacent to Pinus/Quercus woods; naturalized from Europe, infrequent. Associates: Medicago sativa, Euphorbia corollata, Elymus virginicus var. glabriflorus, Sambucus canadensis, Carex laevivaginata, Lycopus virginicus, Festuca elatior. |
| Collector: | J. Richard Abbott, Ralph L. Thompson, F. Dale Noe, Jr. 379 |