Psilocybe callosa (Fr.) Quél. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Strophariaceae genus Leratiomyces species Leratiomyces laetissimus Name Homonyms Psilocybe callosa (Fr.) Gillet Psilocybe callosa (Fr.) Quél.