⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2706899, with some changes.

Ceanothus spinosus var. palmeri (Trel.) Jeps. is a synonym of Ceanothus palmeri Trel.

This name is a synonym of Ceanothus palmeri Trel..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Man. Fl. Pl. Calif. 620 1925.