Ceanothus buxifolius Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rhamnaceae genus Ceanothus species Ceanothus buxifolius Name Homonyms Ceanothus buxifolius Willd. ex Schult.fil. Ceanothus buxifolius Willd.