Psathyrella opaca (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 opaca Name Homonyms Psathyrella opaca (Romagn.) M.M.Moser ex Kits van Wav. Psathyrella opaca (Romagn.) M.M.Moser