Viola langsdorfii (Regel) Fisch. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Violaceae genus Viola species Viola langsdorfii Name Homonyms Viola langsdorfii (Regel) Fisch. ex Ging. Viola langsdorfii (Regel) Fisch.