Ephedra antisyphilitica subsp. pedunculata S.Watson Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Gnetopsida order Ephedrales family Ephedraceae genus Ephedra species Ephedra nevadensis Name Homonyms Ephedra antisyphilitica var. pedunculata S.Watson Ephedra antisyphilitica subsp. pedunculata S.Watson