Alnus incana f. tomophylla Fernald Dataset GBIF Backbone Taxonomy Rank FORM Published in Rhodora 16: 56 (1914) Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Alnus species Alnus incana Name Homonyms Alnus incana f. tomophylla Fernald Alnus incana var. tomophylla (Fernald) Rehder