Russula firmula var. cuprea (Krombh.) Konrad & Maubl. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula cuprea Name Homonyms Russula firmula var. cuprea (Krombh.) Konrad & Maubl.