Ceanothus dentatus var. impressus (Trel.) Trel. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Rhamnaceae genus Ceanothus species Ceanothus impressus Name Homonyms Ceanothus dentatus var. impressus (Trel.) Trel.