Salix drummondiana var. subcaerulea (Piper) C.R.Ball Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Salix species Salix drummondiana Name Homonyms Salix drummondiana subsp. subcaerulea (Piper) A.E.Murray Salix drummondiana var. subcaerulea (Piper) C.R.Ball