| Name | Sium nipponicum Maximowicz |
| Authorship | Maximowicz |
| Rank | Species |
| Placed in | Sium |
| GUID | urn:lsid:ipni.org:names:849027-1 |
| Citation | 1873 Bull. Acad. Imp. Sci. Saint-Pétersbourg 18: 286 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Sium nipponicum Maximowicz |
| Identification made in | [no date] (1), 2012 (1) |