Viola yezoensis f. sordida Hiyama Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Violaceae genus Viola species Viola yezoensis Name Homonyms Viola yezoensis f. sordida Hiyama Viola yezoensis f. sordida Hiyama ex F.Maek.