Betula caerulea subsp. grandis (Blanch.) B.Boivin Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula caerulea Name Homonyms Betula ×caerulea var. grandis Blanch. Betula caerulea subsp. grandis (Blanch.) B.Boivin