Russula emetica subsp. knauthii Sing. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula fragilis Name Homonyms Russula emetica f. knauthii Singer Russula emetica subsp. knauthii Sing.