Russula integra f. purpurella (Singer) 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. purpurella (Singer) Romagn. ex Bon Russula integra var. purpurella (Singer) R.Socha Russula integra f. purpurella (Singer) Romagn.