Russula fragilis f. violascens (Gillet) Singer Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Russulales family Russulaceae genus Russula species Russula fragilis Name Homonyms Russula fragilis var. violascens Secr. ex Gillet Russula fragilis f. violascens (Secr. ex Gillet) Sacc. Russula fragilis var. violascens Secr. Russula fragilis subsp. violascens Secr. ex Gillet, 1876 Russula fragilis subsp. violascens Secr.