| Name | Ceanothus insularis Eastwood |
| Authorship | Eastwood |
| Rank | Species |
| Placed in | Ceanothus Linnaeus |
| GUID | urn:lsid:ipni.org:names:716849-1 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Ceanothus insularis Eastwood |
| Identification made in | [no date] (8) |