A deadly poisonous European plant (Conium maculatum) widely naturalized in North America, having bipinnately compound leaves and compound umbels of small, white flowers.

• 芹叶钩吻，毒参：一种有致命毒性的欧洲植物（毒参毒参属），在北美洲广泛种植，有二次羽状的复叶和由小白花组成的复合伞状花序