Name requested: Spongiporus leucospongiaMycologia 11 757. 35 (3): 291. Mycotaxon 97: 75. Sydowia 9 (1-6): 103, 186.
Homotypic synonym: Polyporus leucospongiaMycologia 9 (3): 132. 10 (1): 7, 8, 13. 11 (5): 257. 27 (6): 646. 35 (3): 291. 46 (5): 677. 53 (5): 485. 61 (6): 1115. Mycotaxon 12 (2): 392. 22 (2): 365. 31 (1): 53. 97: 75. Persoonia 11 (4): 423.
Homotypic synonym: Tyromyces leucospongiaMycotaxon 7 (2): 355. 12 (2): 392, 408. 18 (2): 541, 557, 558.
Homotypic synonym: Postia leucospongiaMycotaxon 52 (1): 45. Persoonia 11 (4): 423.
Homotypic synonym: Oligoporus leucospongiaMycotaxon 22 (2): 365. 31 (1): 53. 33: 274.