Name requested: Parmelia cetrata

Mycotaxon 33: 31. 48: 364. 68: 450. 77: 226, 278.

Homotypic synonym: Parmotrema cetratum

	Lichens of North America null: 642.
	Mycotaxon 5 (2): 435, 436. 18 (1): 83. 31 (2): 495, 496. 41 (1): 103. 46: 124. 48: 364. 68: 450. 77: 278. 91: 94. 103: 41, 51.