Russula integra f. flavella Romagn. Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula integra Name Homonyms Russula integra f. flavella Romagn. Russula integra f. flavella (Singer) Einhell.