Name requested: Physcia dubiaLichenologist 1 (4): 141, 142. 3 (1): 139. 12 (1): 78, 78. Lichens of North America null: 538, 549, 553, 554, 555, 559, 560. Mycotaxon 10 (1): 211. 18 (1): 175, 178, 179. 19: 419. 21: 279, 310, 312. 23: 247. 26: 257, 260. 31 (2): 545. 35 (2): 384, 391, 392. 40: 203, 246, 247, 248. 42: 283. 45: 279, 281. 48: 258, 260, 263. 50: 328. 58: 216. 61: 113. 74 (2): 437, 438, 439, 443. 77: 332. Sydowia 14 (1-6): 324.
Heterotypic synonym: Physcia teretiusculaAnnales Mycologici 37 (1-2): 86. Lichenologist 12 (1): 78. Mycologia 11 (6): 305.