Ephedra trifurca Parry Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Bot. Obs. S. Utah 351. Classification kingdom Plantae phylum Tracheophyta class Gnetopsida order Ephedrales family Ephedraceae genus Ephedra species Ephedra trifurca Name Homonyms Ephedra trifurca Torr. ex S.Watson Ephedra trifurca Parry Ephedra trifurca Torr.