Washingtonia filifera subsp. microsperma Becc. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Arecales family Arecaceae genus Washingtonia species Washingtonia filifera Name Homonyms Washingtonia filifera var. microsperma Becc. Washingtonia filifera subsp. microsperma Becc.