Name requested: Polyporus crociporus

Mycotaxon 20 (2): 337.

Homotypic synonym: Poria crocipora

Mycologia 13 (2): 96.

Heterotypic synonym: Physisporinus spissus

Mycologia 34 (5): 595. 46 (1): 121.

Heterotypic synonym: Polyporus spissus

	Mycologia 13 (2): 96. 15 (5): 223.
	Mycotaxon 22 (2): 364.

Heterotypic synonym: Poria spissa

	Mycologia 13 (2): 94, 96, 98. 15 (5): 223. 33 (5): 576. 53 (5): 492. 59 (2): 380. 59 (5): 916. 61 (4): 822.
	Mycotaxon 18 (2): 521.

Heterotypic synonym: Meruliopsis spissa

Mycologia 65 (1): 197.

Heterotypic synonym: Ceriporia spissa

Mycotaxon 17: 275, 276, 278, 280, 290. 22 (2): 364. 57: 50. 71: 343. 78: 398. 86: 339, 341, 346.