Betula lenta DuRoi Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula pubescens Name Homonyms Betula lenta L. Betula lenta Du Roi Betula lenta Regel, 1861 Betula lenta DuRoi