Betula lenta var. uber Ashe Dataset GBIF Backbone Taxonomy Rank VARIETY Published in Rhodora 20: 64 (1918) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula lenta Name Homonyms Betula lenta subsp. uber (Ashe) A.E.Murray Betula lenta f. uber (Ashe) McAll. & Ashburner Betula lenta var. uber Ashe