Menispermum dubium Muhl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ranunculales family Menispermaceae genus Calycocarpum species Calycocarpum lyonii Name Homonyms Menispermum dubium Muhl. ex Raf. Menispermum dubium Muhl.