| Name | Polygonum natans (Michaux) Eaton |
| Authorship | (Michaux) Eaton |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Polygonum Linnaeus |
| Contains | Polygonum natans f. hartwightii (A. Gray) Stanford |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygonum natans (Michaux) Eaton |
| Identification made in | [no date] (2) |