Name requested: Cystostereum subabruptum

	Mycologia 78 (3): 385.
	Mycotaxon 2 (1): 136, 138. 11 (2): 454. 12 (2): 475, 479, 480, 483. 65: 371.

Homotypic synonym: Odontia subabrupta

	Mycologia 78 (3): 380, 381, 382, 385, 389.
	Mycotaxon 2 (1): 138. 17: 571. 86: 46.
	Persoonia 10 (1): 137, 140.

Homotypic synonym: Crustomyces subabruptus

	Mycologia 78 (3): 385.
	Mycotaxon 53: 438. 54: 185. 82: 177, 186, 200, 201, 202. 86: 46. 101: 229, 231.
	Persoonia 10 (1): 140.

Homotypic synonym: Cystostereum pinicanadense subsp. subabruptum

Mycologia 78 (3): 384, 385, 389.