| Apiaceae | |
Cicuta virosa fo. angustifolia
| (Kit.) Schube | Verbreit. Gefässpfl. Schles. 233 | 1903 |
| Apiaceae | |
Cicuta virosa var. californica
| (A. Gray) J.M. Coult. & Rose | Rev. N. Amer. Umbell. 130 | 1888 |
| Apiaceae | |
Cicuta virosa fo. latisecta
| (Čelak.) Y.C. Chu | Clavis Pl. Chinae Bor.-Or. ed. 2: 467 | 1995 |
| Apiaceae | |
Cicuta virosa var. latisecta
| Čelak. | Prodr. Fl. Böhmen 3: 563 | 1875 |
| Apiaceae | |
Cicuta virosa fo. longiinvolucellata
| Y.C. Chu | | |
| Apiaceae | |
Cicuta virosa var. maculata
| (L.) J.M. Coult. & Rose | Rev. N. Amer. Umbell. 130 | 1888 |
| Apiaceae | |
Cicuta virosa var. nipponica
| (Franch.) Makino | Bot. Mag. (Tokyo) 19: 88 | 1905 |
| Apiaceae | |
Cicuta virosa var. orientalis
| Degen & Bald. | | |
| Apiaceae | |
Cicuta virosa var. virosa
| | | |