Name requested: Physcia tribacia

	Lichenologist 1 (4): 137. 3 (1): 139. 12 (1): 78.
	Mycologia 9 (3): 150. 46 (1): 123.
	Mycotaxon 3 (1): 104. 7 (2): 309. 10 (1): 211. 31 (2): 545. 35 (2): 423. 40: 248. 58: 216.