? sessilis Massee & Rodway Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula sessilis Name Homonyms ? sessilis Massee & Rodway ? sessilis Murrill ? sessilis Provancher, 1874 ? sessilis Rodway