Name requested: Tricholomopsis platyphyllaMycologia 59 (2): 381. 59 (5): 917. 61 (4): 822. 64 (4): 829. 65 (1): 198. 65 (5): 1102. 65 (6): 1322. 67 (5): 1071. 69 (6): 1229. 76 (2): 350, 351. 79 (3): 455, 456. 79 (4): 603, 612. 83 (1): 57. 83 (3): 298, 299, 300, 301. Mycology and Phytopathology [as Микология и Фитопатология] 1 (6): 446. 2 (2): 109. 5 (1): 30. Mycotaxon 27: 337, 338, 341. 33: 266. 36 (2): 340. 44 (2): 400. 61: 39. 86: 209. Sydowia 15 (1-6): 172. Transactions of the Mycological Society of Japan 23 (4): 502. 24 (2): 244.
Homotypic synonym: Agaricus platyphyllusSydowia 36: 169.
Homotypic synonym: Collybia platyphyllaMycologia 5 (4): 207, 208. 7 (3): 115, 118. 7 (6): 301. 8 (5): 251. 9 (3): 164. 13 (1): 32. 29 (3): 374. 30 (1): 31. 33 (5): 576. 35 (6): 663. 44 (5): 718. 52 (5): 815. Mycotaxon 9 (1): 122. 44 (2): 393, 400. 81: 142. Sydowia 8 (1-6): 45, 46, 48.
Homotypic synonym: Megacollybia platyphyllaMycotaxon 70: 100. 81: 142. 102: 366, 368, 370.
Homotypic synonym: Oudemansiella platyphyllaMycotaxon 81: 142. Persoonia 9 (3): plate 44 fig.G, 371, 380. Sydowia 32: 75. Transactions of the Mycological Society of Japan 30 (1): 97.