| Name | Polygonum robertii Loiseleur-Deslongchamps |
| Authorship | Loiseleur-Deslongchamps |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polygonum Linnaeus |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Polygonum robertii Loiseleur-Deslongchamps |
| Identification made in | 1999 (1) |