Name requested: Lecanora coarctataLichenologist 3 (1): 123. 12 (1): 100. Mycotaxon 40: 385.
Homotypic synonym: Lichen coarctatusLichenologist 3 (3): 318.
Homotypic synonym: Lecidea coarctataLichenologist 3 (1): 123, 123, 123, 123, 123, 123, 123, 123, 123, 123. 3 (3): 318. 7 (1): 37. 12 (1): 99.
Homotypic synonym: Biatora coarctataLichenologist 3 (1): 123. 12 (1): 100. Mycologia 4 (3): 127.
Homotypic synonym: Trapelia coarctataLichenologist 7 (1): 37. 12 (1): 99, 99, 99, 100, 100, 100, 100. Lichens of North America null: 26, 686. Mycotaxon 78: 409.