Name requested: Pseudotomentella tristis

	Mycologia 66 (1): 168. 67 (6): 1210. 75 (3): 560, 561.
	Mycotaxon 33: 277. 53: 442. 59: 290, 300, 301, 302. 65: 373. 69: 43, 64. 75: 495. 80: 275. 86: 54.

Heterotypic synonym: Hypochnus tristis

	Mycotaxon 75: 495.
	Sydowia 14 (1-6): 185.

Heterotypic synonym: Tomentella tristis

	Mycologia 46 (1): 122.
	Sydowia 14 (1-6): 185.

Heterotypic synonym: Tomentellastrum umbrinum forma sitnensis

Sydowia 14 (1-6): 186.

Heterotypic synonym: Pseudotomentella umbrina

	Mycologia 60 (3): 551. 62 (1): 148, 150. 65 (1): 198.
	Mycotaxon 10 (2): 493.