Name requested: Hypholoma hydrophilaMycology and Phytopathology 6 (4): 307.
Heterotypic synonym: Agaricus piluliformisPersoonia 11 (4): 485, 488, 488, 490, 490, 493, 494.
Heterotypic synonym: Psathyrella piluliformisMycotaxon 69: 445. 87: 291. Persoonia 11 (4): 474, 490, 494. 13 (3): 331, 367.