Ephedra americana Humb. & Bonpl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Gnetopsida order Ephedrales family Ephedraceae genus Ephedra species Ephedra americana Name Homonyms Ephedra americana Humb. & Bonpl. ex Willd. Ephedra americana Endl. Ephedra americana Humb. & Bonpl.