Dioscorea villosa var. glabrifolia (Bartlett) Fernald Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea villosa Name Homonyms Dioscorea villosa var. glabrifolia (Bartlett) S.F.Blake Dioscorea villosa subsp. glabrifolia (Bartlett) W.Stone Dioscorea villosa f. glabrifolia (Bartlett) Fernald Dioscorea villosa var. glabrifolia (Bartlett) W.Stone Dioscorea villosa var. glabrifolia (Bartlett) Fernald