| Name | Rosa williamsii Fernald |
| Authorship | Fernald |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Rosa Linnaeus |
| GUID | urn:lsid:ipni.org:names:734729-1 |
| Citation | 1918 Rhodora 20: 95 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rosa williamsii Fernald |
| Identification made in | [no date] (2) |