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