Name requested: Phaeophyscia sciastraLichenologist 12 (1): 77. Lichens of North America null: 140, 538, 544. Mycotaxon 7 (2): 292, 295, 300, 315. 48: 258, 265. 58: 216. 74 (2): 437, 438, 443. 102: 129, 133.
Homotypic synonym: Parmelia sciastraMycotaxon 7 (2): 315.
Homotypic synonym: Physcia sciastraAnnales Mycologici 36 (2-3): 152. Lichenologist 1 (4): 141. 12 (1): 77. Mycotaxon 5 (1): 303. 40: 204, 245, 248.