Name requested: Collybia cirrhata var. cookeiMycotaxon 9 (1): 194.
Homotypic synonym: Collybia cookeiMycologia 27 (4): 413, 414, 417. 36 (3): 260. 46 (5): 678. 61 (6): 1109, 1115. 64 (4): 826. 75 (4): 708. Mycotaxon 9 (1): 194. 75: 343, 344, 345. 81: 127. Sydowia 43: 176, 199. Transactions of the Mycological Society of Japan 20 (2): 253. 24 (2): 236.