Definition that contains water hemlock
- genus cicuta small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock
- spotted cowbane tall biennial water hemlock of northeastern North America having purple-spotted stems and clusters of extremely poisonous tuberous roots resembling small sweet potatoes
- spotted hemlock tall biennial water hemlock of northeastern North America having purple-spotted stems and clusters of extremely poisonous tuberous roots resembling small sweet potatoes
- cicuta small genus of perennial herbs having deadly poisonous tuberous roots: water hemlock
- spotted water hemlock tall biennial water hemlock of northeastern North America having purple-spotted stems and clusters of extremely poisonous tuberous roots resembling small sweet potatoes