| Locality: | United States. Kentucky. Fayette: Clay's Ferry Interstate Bridge; 0.8 mi north of Exit 99 [to US 25 N] in median of I-75 N in grassy area bordering road shoulder. |
| Description: | Invasive toxic European biennial; abundant, contains Conine alkaloid. Doubtless in every Kentucky county. |
| Notes: | Associated Species: Daucus carota, Lonicera maackii, Schedonorus arundinaceus, Securigera varia, Thlaspi alliaceum, Trifolium campestre. |