Agaricus piluliformis Bull. ex Fr. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Psathyrellaceae genus Psathyrella species Psathyrella piluliformis Name Homonyms Agaricus piluliformis Bull. Agaricus piluliformis Bull. ex Fr.