"Psathyrella" . . . "Agaricales" . . "P.D. Orton 1960" . "Psathyrella spintrigeroides P.D. Orton 1960" . "Agaricomycetes" . . . "Psathyrella spintrigeroides" . . "Fungi" . . "Basidiomycota" . . . . . "Psathyrellaceae" .