Salix serotina var. yezoensis Kimura Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Salix species Salix schwerinii Name Homonyms Salix serotina var. yezoensis Kimura ex Goerz Salix serotina var. yezoensis Kimura