Name requested: Cheimonophyllum candidissimumMycologia 64 (4): 826. Mycotaxon 52 (1): 11, 38. 63: 225, 227, 228. 72: 223, 224. 104: 1, 2, 3, 4, 5, 6, 7. Sydowia 9 (1-6): 418. 31: 199. Transactions of the Mycological Society of Japan 26 (3): 370.
Homotypic synonym: Agaricus candidissimusSydowia 9 (1-6): 417, 418.
Homotypic synonym: Pleurotus candidissimusMycologia 4 (4): 215. 22 (2): 86. 34 (2): 233. Sydowia 9 (1-6): 418.
Heterotypic synonym: Geopetalum oregonenseMycologia 4 (4): 215.
Heterotypic synonym: Pleurotus oregonensisMycologia 4 (4): 217.
Heterotypic synonym: Geopetalum haedinumMycologia 11 (1): 27.
Heterotypic synonym: Geopetalum subelatinumMycologia 8 (4): 218. 11 (1): 27.
Heterotypic synonym: Pleurotus subelatinusMycologia 8 (4): 218.