Washingtonia robusta var. gracilis (Parish) Parish Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Arecales family Arecaceae genus Washingtonia species Washingtonia robusta Name Homonyms Washingtonia robusta var. gracilis (Parish) Parish ex Becc. Washingtonia robusta var. gracilis (Parish) Parish