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