Zea mays subsp. subnigroviolacea T.A.Yarchuk Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Poales family Poaceae genus Zea species Zea mays Name Homonyms Zea mays var. subnigroviolacea T.A.Yarchuk Zea mays subsp. subnigroviolacea T.A.Yarchuk