⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2706810, with some changes.
This name is a synonym of Ceanothus integerrimus .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Proc. Calif. Acad. Sci. 2: 152 1863.
Full publication details for this name can be found in IPNI: