| Name | Polygonum muhlenbergii (Meisner) S. Watson |
| Authorship | (Meisner) S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum Linnaeus |
| Citation | 1879 Proc. Amer. Acad. Arts 14: 295 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Polygonum muhlenbergii (Meisner) S. Watson |
| Identification made in | [no date] (10) |