| Name | Rhamnus crocea var. pilosa Trelease |
| Authorship | Trelease |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhamnus crocea Nuttall ex Torrey & A. Gray |
| GUID | urn:lsid:ipni.org:names:218988-2 |
| Citation | 1888 Proc. Calif. Acad. Sci. ser. 2, 1: 251 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Rhamnus crocea var. pilosa Trelease |
| Identification made in | [no date] (8) |