Salix labradorica var. pumila Nutt. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Salix species Salix argyrocarpa Name Homonyms Salix labradorica var. pumila Nutt. Salix labradorica subsp. pumila Nutt.