Russula barlae var. pseudomelliolens Singer Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula xerampelina Name Homonyms Russula barlae var. pseudomelliolens Singer ex Bon Russula barlae var. pseudomelliolens Singer