Psathyrella fatua (Fr.) P.Kumm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Psathyrellaceae genus Psathyrella species Psathyrella fatua Name Synonyms Agaricus stipatus var. fatuus Fr. Psilocybe fatua (Fr.) Anon. Homonyms Psathyrella fatua (Fr.) P.Kumm. Psathyrella fatua (Fr.) Konrad & Maubl.