Name requested: Lichen orbicularis

	Lichenologist 16 (3): 223.
	Mycotaxon 7 (2): 312. 8 (1): 308, 309, 310, 316.

Homotypic synonym: Physcia orbicularis

	Lichenologist 3 (1): 139. 3 (3): 322, 322. 4 (1): 12. 12 (1): 76.
	Mycologia 56 (4): 618. 65 (1): 196. 69 (4): 673.
	Mycotaxon 5 (1): 300, 301, 302, 304, 305. 7 (2): 284, 293, 294. 8 (1): 308, 316. 26: 256, 258, 259, 261. 34 (1): 44. 40: 245, 247.

Homotypic synonym: Phaeophyscia orbicularis

	Lichenologist 12 (1): 76, 76, 76.
	Lichens of North America null: 539, 542, 543, 560.
	Mycologia 78 (1): 95.
	Mycotaxon 7 (2): 293, 294, 297, 306, 312, 316, 317. 8 (1): 310, 316. 50: 328. 60: 421. 61: 125, 133, 143. 97: 54. 99: 202. 102: 130. 104: 257, 285. 105: 97, 98, 99, 100, 102, 103.

Heterotypic synonym: Lichen virellus

Lichenologist 3 (3): 322.

Heterotypic synonym: Physcia obscura

	Mycologia 9 (3): 152.
	Mycotaxon 40: 245, 247.

Heterotypic synonym: Physcia virella

	Lichenologist 3 (1): 139. 3 (3): 322. 12 (1): 76.
	Mycotaxon 35 (2): 423.

Heterotypic synonym: Physcia orbicularis var. virella

Lichenologist 4 (1): 12.

Heterotypic synonym: Physcia orbicularis forma cycloselis

Sydowia 14 (1-6): 324.