Yucca tortifolia Lindh. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Asparagales family Asparagaceae genus Yucca species Yucca rupicola Name Homonyms Yucca tortifolia Lindh. ex Torr. Yucca tortifolia Lindl. ex Engelm. Yucca tortifolia Lindh.