| Name | Rhamnus rubra subsp. obtusissima (Greene) C. B. Wolf |
| Authorship | (Greene) C. B. Wolf |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhamnus rubra Greene |
| GUID | urn:lsid:ipni.org:names:219063-2 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Rhamnus rubra subsp. obtusissima (Greene) C. B. Wolf |
| Identification made in | [no date] (6) |