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CCDB → Angiosperms → Apiaceae → Cicuta
| Taxon name | Status | Median (n) |
| Cicuta bulbifera L. | Accepted | 11 |
| Cicuta douglasii (DC.) J. M. Coult. & Rose | Accepted | 11 |
| Cicuta maculata L. | Accepted | 11 |
| Cicuta maculata var. angustifolia Hook. | Accepted | 11 |
| Cicuta maculata var. victorinii (Fernald) B. Boivin | Accepted | 11 |
| Cicuta virosa L. | Accepted | 11 |
| Cicuta maculata None | Synonym of Cicuta maculata L. | 11 |
| Cicuta bolanderi A. Gray | Synonym of Cicuta maculata var. bolanderi (S. Watson) G. A. Mulligan | 22 |
| Cicuta mackenzieana Raup | Synonym of Cicuta virosa L. | 11 |
| Cicuta virosa var. latisecta Čelak. | Synonym of Cicuta virosa L. | 11 |
| Cicuta virosa var. virosa | Synonym of Cicuta virosa L. | 11 |