Yucca filamentosa subsp. elmensis Sprenger Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Asparagales family Asparagaceae genus Yucca species Yucca filamentosa Name Homonyms Yucca filamentosa var. elmensis Sprenger Yucca filamentosa subsp. elmensis Sprenger