Armillaria denigrata (Fr.) Sacc. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Tubariaceae genus Cyclocybe species Cyclocybe erebia Name Homonyms Armillaria denigrata (Pers.) P.Kumm. Armillaria denigrata (Fr.) Sacc.