Name requested: Polyporus microporus

	Mycologia 30 (6): 683. 47 (2): 215, 216.
	Mycotaxon 48: 49. 67: 409. 87: 207.

Heterotypic synonym: Polyporus lignosus

	Mycologia 47 (2): 218. 55 (4): 479.
	Mycotaxon 18 (2): 519. 67: 405, 406, 409, 410.
	Persoonia 7 (2): 309.

Heterotypic synonym: Fomes lignosus

	Annales Mycologici 35 (2): 130.
	Mycologia 9 (1): 7. 14 (2): 91. 30 (6): 683. 47 (2): 216, 218. 66 (1): 9.
	Mycotaxon 67: 406. 72: 51.

Heterotypic synonym: Rigidoporus lignosus

Mycotaxon 28 (1): 118. 67: 406. 72: 51.