| Name | Rhamnus obtusifolius Hooker ex Torrey & A. Gray |
| Authorship | Hooker ex Torrey & A. Gray |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhamnus |
| Citation | 1840 Fl. N. Amer. [Torr. & A. Gray] 1: 685 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rhamnus obtusifolius Hooker ex Torrey & A. Gray |
| Identification made in | [no date] (2) |