Russula decolorans var. constans Karst. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula claroflava Name Homonyms Russula decolorans var. constans Karst. Russula decolorans var. constans (Britzelm.) Singer