Dioscorea nummularia Roxb. Dataset GBIF Backbone Taxonomy Rank SPECIES Published in 1832 Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea glabra Name Homonyms Dioscorea nummularia Lam. Dioscorea nummularia Roxb.