| Name | Polygonum robustius (Small) Fernald |
| Authorship | (Small) Fernald |
| Rank | Species |
| Placed in | Polygonum Linnaeus |
| GUID | urn:lsid:ipni.org:names:1109850-2 |
| Holdings | 64 Specimens held in the Harvard University Herbaria identified as Polygonum robustius (Small) Fernald |
| Identification made in | [no date] (64) |