Marasmius atratus (Fr.) Ricken Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Lyophyllaceae genus Tephrocybe species Tephrocybe atrata Name Homonyms Marasmius atratus (Fr.) Ricken Marasmius atratus (Fr.) P.Karst.