| Sium L. | |
| Publ. & Syn. | L., Sp. Pl.: 251 (1753). |
| Chromosomes | (1) 22 (2x). - U.S.A. (W). - Bell and Constance (1960). (2) 44 (4x). - U.S.A. (NW). - Bell and Constance (1957). |
| Geography | North American (W): ALA. |
| Parent taxon | Apiaceae |
| Child taxa |
Sium suave Walter |
| PAF ID | 9108 |