Dioscorea alata subsp. tarri Prain & Burkill Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea alata Name Homonyms Dioscorea alata var. tarri Prain & Burkill Dioscorea alata subsp. tarri Prain & Burkill