Betula papyrifera var. minor (Tuck.) S.Watson & J.M.Coult. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula minor Name Homonyms Betula papyrifera var. minor (Tuck.) S.Watson & J.M.Coult. Betula papyrifera var. minor Tuck.