Name requested: Psathyrella spadiceaMycologia 46 (5): 678. Mycology and Phytopathology [as Микология и Фитопатология] 9 (2): 92. Mycotaxon 6 (3): 475. 83: 117. 87: 291. Persoonia 6 (3): 305. 12 (4): 379. 13 (3): 367. Sydowia 26 (1-6): 105, 105. Transactions of the Mycological Society of Japan 20 (2): 133, 134, 135, 136, 137, 139. 27 (2): 216.
Homotypic synonym: Agaricus spadiceusMycologia 15 (1): 16. Mycotaxon 79: 430. Transactions of the Mycological Society of Japan 20 (2): 138.