Marasmius languidus Kühner & Romagn. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Omphalotaceae genus Collybiopsis species Collybiopsis vaillantii Name Homonyms Marasmius languidus (Lasch) Fr. Marasmius languidus Kühner & Romagn.