Alnus obtusifolia Mert. ex Regel Dataset GBIF Backbone Taxonomy Rank SPECIES Published in ? Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Alnus species Alnus obtusifolia Name Synonyms Alnus obtusifolia Mert. Homonyms Alnus obtusifolia Royle, 1839 Alnus obtusifolia Mert. ex Regel Alnus obtusifolia Mert.