Name requested: Umbilicaria torrefacta

	Lichenologist 1 (5): 256. 3 (1): 151, 151. 12 (1): 101, 101. 16 (3): 227, 227.
	Lichens of North America null: 698, 705, 708.
	Mycotaxon 18 (1): 178. 48: 259, 265. 50: 329. 53: 107. 58: 223. 74 (2): 438, 439, 444.

Homotypic synonym: Lichen torrefactus

Lichenologist 16 (3): 227.