| Name | Rhamnus occidentalis Howell ex Greene |
| Authorship | Howell ex Greene |
| Rank | Species |
| Placed in | Rhamnus |
| GUID | urn:lsid:ipni.org:names:1203938-2 |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Rhamnus occidentalis Howell ex Greene |
| Identification made in | [no date] (10) |
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