Russula sardonia f. viridis (Singer) Bon Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula sardonia Name Homonyms Russula sardonia var. viridis (Singer) Anon. Russula sardonia f. viridis Singer Russula sardonia f. viridis (Singer) Bon Russula sardonia f. viridis (Singer) G.Mir & Pérez-De-Greg.