Name requested: Agaricus fastibilisMycotaxon 30: 303, 304, 306. 79: 419. 83: 495. Persoonia 2 (1): 21, 25. 14 (2): 189, 190, 191. 18 (3): 306.
Homotypic synonym: Hebeloma fastibileAnnales Mycologici 37 (3): 171. Mycologia 2 (6): 262. 6 (4): 184. 38 (3): 263. Mycology and Phytopathology [as Микология и Фитопатология] 2 (2): 108. Mycotaxon 30: 301, 302, 303, 304, 305, 306, 307. 69: 58. 79: 410, 419. 83: 495. 96: 138. Persoonia 2 (1): 25. 14 (2): 190. 18 (3): 306. Sydowia 4 (1-6): 119. 26 (1-6): 107.