Dioscorea preangeriana Uline Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Dioscoreales family Dioscoreaceae genus Dioscorea species Dioscorea pyrifolia Name Homonyms Dioscorea preangeriana Uline ex R.Knuth Dioscorea preangeriana Uline ex Prain & Burkill, 1914 Dioscorea preangeriana Uline