Name requested: Xenasma pruinosumMycologia 52 (6): 887, 888, 888, 889, 893, 897. Mycotaxon 12 (2): 490. 17: 581. 25 (2): 566. 29: 315. 45: 444. 52 (1): 35, 39. 60: 188. 65: 374. 75: 381, 384. 80: 267, 276, 277. 84: 159. 105: 290. 106: 421.
Homotypic synonym: Corticium pruinosumMycologia 52 (6): 893, 894. Mycotaxon 9 (2): 515. 75: 384.
Homotypic synonym: Peniophora pruinosaMycologia 52 (6): 885, 894.