All Species in Cicuta
- Bulblet-Bearing Water Hemlock (Cicuta bulbifera)
- Cicuta maculata var. angustifolia (Cicuta maculata var. angustifolia)
- Cicuta maculata var. bolanderi (Cicuta maculata var. bolanderi)
- Cicuta maculata var. maculata (Cicuta maculata var. maculata)
- Cicuta maculata var. victorinii (Cicuta maculata var. victorinii)
- Mackenzie's Water Hemlock (Cicuta virosa)
- Spotted Water Hemlock (Cicuta maculata)
- Western Water Hemlock (Cicuta douglasii)