Dioscorea polygonoides Humb. & Bonpl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea polygonoides Name Homonyms Dioscorea polygonoides Humb. & Bonpl. ex Willd. Dioscorea polygonoides M.Martens & Galeotti Dioscorea polygonoides Humb. & Bonpl.