Viola grayi var. candida H.Boissieu Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Violaceae genus Viola species Viola grypoceras Name Homonyms Viola grayi var. candida H.Boissieu Viola grayi subsp. candida H.Boissieu