Delphinium attentuatum (M.E.Jones) Rydb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ranunculales family Ranunculaceae genus Delphinium species Delphinium barbeyi Name Homonyms Delphinium attentuatum (M.E.Jones) Rydb.