Jeffersonia dubia (Maxim.) Benth. & Hook.fil. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ranunculales family Berberidaceae genus Plagiorhegma species Plagiorhegma dubium Name Homonyms Jeffersonia dubia (Maxim.) Benth. & Hook.fil. ex Baker & Moore Jeffersonia dubia (Maxim.) Benth. & Hook.fil.