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