Betula incana (L.) L.f. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Suppl. Pl.: 417 (1782) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Alnus species Alnus incana Name Homonyms Betula incana (L.) L.f. Betula incana (L.) Pall., 1784 Betula incana Roth, 1800