Ceanothus spinosus var. palmeri (Trel.) Jeps. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rhamnaceae genus Ceanothus species Ceanothus palmeri Name Homonyms Ceanothus spinosus var. palmeri (Trel.) Jeps. Ceanothus spinosus var. palmeri (Trel.) K.Brandegee