| Name | Ceanothus spinosus var. palmeri (Trelease) K. Brandegee |
| Authorship | (Trelease) K. Brandegee |
| Rank | Variety |
| Placed in | Ceanothus spinosus Nuttall |
| GUID | urn:lsid:ipni.org:names:50780-2 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ceanothus spinosus var. palmeri (Trelease) K. Brandegee |
| Identification made in | [no date] (1) |