| Name | Polygonum pensylvanicum var. nesophilum Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum pensylvanicum Linnaeus |
| GUID | urn:lsid:ipni.org:names:206336-2 |
| Citation | 1917 Rhodora 19: 73 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Polygonum pensylvanicum var. nesophilum Fernald |
| Identification made in | [no date] (3), 1971 (1) |