| Name | Rhamnus californica subsp. ursina (Greene) C. B. Wolf |
| Authorship | (Greene) C. B. Wolf |
| Rank | Subspecies |
| Placed in | Rhamnus californica Eschscholtz |
| GUID | urn:lsid:ipni.org:names:218962-2 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rhamnus californica subsp. ursina (Greene) C. B. Wolf |
| Identification made in | [no date] (2) |
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