Ephedra altissima subsp. mauritanica Stapf Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Gnetopsida order Ephedrales family Ephedraceae genus Ephedra species Ephedra altissima Name Homonyms Ephedra altissima var. mauritanica Stapf Ephedra altissima subsp. mauritanica Stapf