Salix barrattiana var. tweedyi Bebb ex Rose Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Salix species Salix tweedyi Name Homonyms Salix barrattiana var. tweedyi Bebb ex Rose Salix barrattiana var. tweedyi Bebb