| Name | Ceanothus megacarpus var. insularis (Eastwood) Munz |
| Authorship | (Eastwood) Munz |
| Rank | Variety |
| Placed in | Ceanothus megacarpus Nuttall |
| GUID | urn:lsid:ipni.org:names:50731-2 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Ceanothus megacarpus var. insularis (Eastwood) Munz |
| Identification made in | [no date] (5) |