Name requested: Pluteus petasatusMycologia 85 (5): 813. Mycotaxon 53: 189, 192, 199, 220, 221, 224, 238, 239, 240, 241, 242, 243. 60: 216. 82: 196, 200, 202. 87: 297. 96: 33. 102: 219, 224, 229, 233. Persoonia 12 (4): 339, 340, 342, 343.
Homotypic synonym: Agaricus petasatusPersoonia 12 (4): 343.