Betula purpusii f. fallax (Fassett) B.Boivin Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula alleghaniensis Name Homonyms Betula purpusii f. fallax (Fassett) B.Boivin