Salix pennina Schleich. ex Koch Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Salix species Salix lapponum Name Homonyms Salix pennina Schleich. ex Koch Salix pennina Schleich. ex Hallier Salix pennina Schleich.