| Name | Polygonum pensylvanicum var. viridialbum Farwell |
| Authorship | Farwell |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum pensylvanicum Linnaeus |
| Citation | 1924 Pap. Michigan Acad. Sci. 3: 94 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygonum pensylvanicum var. viridialbum Farwell |
| Identification made in | [no date] (1), 1971 (1) |
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