Name requested: Lichen stygiusMycotaxon 7 (1): 47.
Homotypic synonym: Parmelia stygiaLichenologist 12 (1): 72, 72. Lichens of North America null: 439. Mycologia 11 (6): 304. Mycotaxon 58: 211, 214.
Heterotypic synonym: Melanelia stygiaLichenologist 12 (1): 72. 24 (1): 19, 20. Lichens of North America null: 156, 431, 435, 439, 450, 587. Mycotaxon 7 (1): 46, 47. 47: 401. 58: 211, 214. 93: 71.