Dioscorea regnellii Uline Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea regnellii Name Homonyms Dioscorea regnellii Uline ex R.Knuth Dioscorea regnellii Uline