| Name | Polygonum sagittatum f. chloranthum Fernald |
| Authorship | Fernald |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum sagittatum Linnaeus |
| GUID | urn:lsid:ipni.org:names:206395-2 |
| Citation | 1917 Rhodora 19: 134 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygonum sagittatum f. chloranthum Fernald |
| Identification made in | [no date] (1), 2019 (1) |