| Name | Ceanothus thyrsiflorus Eschscholtz |
| Authorship | Eschscholtz |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Ceanothus Linnaeus |
| Contains | Ceanothus thyrsiflorus var. chandleri Jepson Ceanothus thyrsiflorus var. griseus Trelease |
| GUID | urn:lsid:ipni.org:names:716960-1 |
| Holdings | 165 Specimens held in the Harvard University Herbaria identified as Ceanothus thyrsiflorus Eschscholtz |
| Identification made in | [no date] (162), 1937 (1), 1941 (2) |