Name requested: Polyporus ursinus

Mycologia 11 (5): 257. 12 (1): 23. 13 (1): 35. 27 (5): 458. 27 (6): 646. 46 (5): 677. 53 (5): 485. 58 (6): 881.

Heterotypic synonym: Amylocystis lapponica

	Mycotaxon 7 (2): 340. 12 (2): 382, 397.
	Persoonia 6 (2): 210. 7 (3): 387.

Heterotypic synonym: Polyporus lapponicus

	Mycologia 27 (5): 458. 61 (4): 842. 61 (6): 1115.
	Mycotaxon 2 (1): 26. 12 (2): 382.
	Persoonia 6 (2): 210.