Psathyrella polycystis (Romagn.) M.M.Moser Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Fungi phylum Basidiomycota class Agaricomycetes order Agaricales family Psathyrellaceae genus Psathyrella species Psathyrella corrugis Name Homonyms Psathyrella polycystis (Romagn.) M.M.Moser ex Kits van Wav. Psathyrella polycystis (Romagn.) M.M.Moser