| Name | Polygonum bistorta var. linearifolium S. Watson |
| Authorship | S. Watson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum bistorta Linnaeus |
| GUID | urn:lsid:ipni.org:names:206107-2 |
| Citation | 1871 Botany [Fortieth Parallel] 317 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygonum bistorta var. linearifolium S. Watson |
| Identification made in | [no date] (1), 2019 (1) |