⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2706617, with some changes.
This name is a synonym of Ceanothus greggii A.Gray.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Contr. U. S. Natl. Herb. 12: 283 1909.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:50642-2.