| Name | Polygonum greenei S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum Linnaeus |
| GUID | urn:lsid:ipni.org:names:695818-1 |
| Citation | 1879 Proc. Amer. Acad. Arts 14: 295 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Polygonum greenei S. Watson |
| Identification made in | [no date] (4) |