Betula glandulosa var. sibirica S.F.Blake Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula glandulosa Name Homonyms Betula glandulosa var. sibirica (Ledeb.) C.K.Schneid. Betula glandulosa var. sibirica S.F.Blake