Name requested: Diatrypella discoidea var. alni

	Mycologia 33 (5): 572.
	Mycotaxon 20 (2): 410, 411, 413, 430, 431, 433, 434, 436, 446, 447, 452, 453. 25 (1): 19, 20, 21.

Heterotypic synonym: Diatrypella placenta

	Annales Mycologici 38 (2-4): 131.
	Mycologia 10 (5): 241.
	Mycotaxon 20 (2): 434. 25 (1): 19, 20, 22.