Name requested: Lichen rugosus

Mycotaxon 21: 282, 291, 293.

Homotypic synonym: Hysterium rugosum

Mycotaxon 62: 371.

Homotypic synonym: Polymorphum rugosum

Mycotaxon 21: 29, 30, 32.

Heterotypic synonym: Polymorphum quercinum

Transactions of the Mycological Society of Japan 27 (3): 321.

Heterotypic synonym: Psilospora faginea

	Annales Mycologici 12 (1): 28.
	Mycotaxon 21: 29, 30.
	Sydowia 29 (1-6): 112.

Heterotypic synonym: Psilospora quercus

	Annales Mycologici 12 (1): 28.
	Sydowia 29 (1-6): 112.

Heterotypic synonym: Dichaena quercina

	Annales Mycologici 6 (2): 116.
	Mycologia 21 (5): 247.
	Mycotaxon 21: 29.
	Sydowia 6 (5-6): 336.
	Transactions of the Mycological Society of Japan 27 (3): 321.

Heterotypic synonym: Dichaena faginea

	Annales Mycologici 12 (1): 7.
	Mycologia 35 (5): 587.
	Mycotaxon 21: 29.

Heterotypic synonym: Ascodichaena rugosa

	Mycologia 74 (5): 837.
	Mycotaxon 21: 29, 30, 32, 293.
	Sydowia 42: 10, 11, 12, 13, 14.