Salix alba var. australior (Andersson) Poljakov Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Salix species Salix excelsa Name Homonyms Salix alba var. australior (Andersson) Poljakov Salix alba subsp. australior (Andersson) Poljak.