| Name | Polygonum lapathifolium var. lanatum (Roxburgh) Steward |
| Authorship | (Roxburgh) Steward |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum lapathifolium Linnaeus |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polygonum lapathifolium var. lanatum (Roxburgh) Steward |
| Identification made in | [no date] (2) |