Name requested: Placopsis gelida

	Lichenologist 3 (1): 139, 139. 12 (1): 79, 79.
	Lichens of North America null: 55, 571, 572.
	Mycotaxon 48: 258, 266. 53: 104. 58: 217. 74 (2): 443. 97: 43.