Name requested: Umbilicaria virginis

	Lichenologist 3 (1): 151. 12 (1): 101.
	Lichens of North America null: 698, 699, 701, 704, 708, 709.
	Mycologia 60 (5): 1098.
	Mycotaxon 35 (2): 385. 40: 203, 239, 257. 48: 259, 264, 266. 50: 329. 53: 106, 107. 58: 223. 74 (2): 437, 444.