Name requested: Agaricus speireusTransactions of the Mycological Society of Japan 20 (2): 130.
Homotypic synonym: Mycena speireaMycologia 61 (6): 1114. Mycology and Phytopathology [as Микология и Фитопатология] 2 (5): 362. 3 (6): 504, 506. 5 (4): 327. 8 (4): 293, 296. Mycotaxon 60: 219. 81: 147. Persoonia 10 (2): 280. 14 (4): 452, 453, 455. Transactions of the Mycological Society of Japan 20 (2): 125, 127, 129, 130, 131.