Dioscorea campestris f. longispicata (Hauman) R.Knuth 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 var. longispicata Hauman Dioscorea campestris f. longispicata Hauman Dioscorea campestris f. longispicata (Hauman) R.Knuth