Collybia clavus (L.) P.Kumm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Mycenaceae genus Mycena species Mycena clavus Name Homonyms Collybia clavus (Schaeff.) Collybia clavus (L.) P.Kumm. Collybia clavus (L.) P.Karst.