Betula chinensis var. angusticarpa H.K.A.Winkler Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula chinensis Name Homonyms Betula chinensis var. angusticarpa H.J.P.Winkl.