Ephedra alata subsp. decaisnei (Stapf) Maire Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Gnetopsida order Ephedrales family Ephedraceae genus Ephedra species Ephedra alata Name Homonyms Ephedra alata var. decaisnei Stapf Ephedra alata subsp. decaisnei (Stapf) Maire