Psilocybe pertinax (Fr.) P.Karst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Psathyrellaceae genus Psathyrella species Psathyrella pertinax Name Homonyms Psilocybe pertinax (Fr.) P.Karst. Psilocybe pertinax (Fr.) Sacc.