Russula subfragilis Romell, 1912 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula cavipes Name Homonyms Russula subfragilis Rick Russula subfragilis Burl. Russula subfragilis Romell, 1912