Name requested: Polyporus extensus

Mycotaxon 13 (1): 180. 43: 353. 57: 69. 76: 201.

Homotypic synonym: Phellinus extensus

Mycotaxon 13 (1): 180. 43: 353. 73: 238. 76: 197, 200, 201, 205, 206, 208, 351. 78: 396. 79: 469, 471, 474. 84: 342, 347.