Name requested: Parmotrema praesorediosum

	Lichens of North America null: 491, 495, 499.
	Mycotaxon 4 (2): 332. 27: 476. 35 (2): 423. 45: 480. 71: 199, 201, 205. 77: 260, 262, 268, 269. 91: 95, 105. 105: 242.

Homotypic synonym: Parmelia praesorediosa

Mycotaxon 27: 476. 77: 268, 269. 91: 105.