Name requested: Parmelia revoluta var. concentrica

Lichenologist 3 (1): 136, 136. 12 (1): 70.

Heterotypic synonym: Parmelia sinuosa var. excentrica

Lichenologist 3 (1): 136. 12 (1): 70.

Heterotypic synonym: Parmelia revoluta var. erratica

Lichenologist 3 (1): 136, 136. 12 (1): 70.

Heterotypic synonym: Hypotrachyna revoluta

	Lichenologist 12 (1): 71.
	Lichens of North America null: 69, 142, 314, 357, 359, 360, 486.
	Mycotaxon 43: 283, 286. 48: 363. 60: 422, 423, 426, 427. 77: 225, 238, 246. 81: 260. 84: 285. 86: 25, 69, 75, 360, 361, 370, 371. 93: 292.