Russula clusii (Fr.) Gillet Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula emetica Name Homonyms Russula clusii Fr. Russula clusii (Fr.) Gillet Russula clusii (Fr.) Sacc.