Russula nauseosa var. xanthophaea (Boud.) Singer Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula nauseosa Name Homonyms Russula nauseosa f. xanthophaea (Boud.) Singer Russula nauseosa var. xanthophaea (Boud.) Singer