| Name | Reynoutria sachalinensis (F. Schmidt) Nakai |
| Authorship | (F. Schmidt) Nakai |
| Rank | Species |
| Placed in | Reynoutria |
| Citation | 1922 Enum. Pl. Corea 135 |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Reynoutria sachalinensis (F. Schmidt) Nakai |
| Identification made in | [no date] (30), 2020 (2) |