Betula chinensis var. lancifolia Nakai 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 f. lancifolia (Nakai ex T.Mori) M.Kim Betula chinensis var. lancifolia Nakai Betula chinensis var. lancifolia Nakai ex Mori