Betula delavayi var. polyneura Hue ex P.C.Li Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula delavayi Name Homonyms Betula delavayi var. polyneura Hue ex P.C.Li Betula delavayi var. polyneura L.C.Hu Betula delavayi var. polyneura Hue