Symb. Bot. Upsal. 34, 1: 348 (2004).

Protolog: Species Biatorae thallo sorediato, acidum gyrophoricum continente. Soralia punctiformia et bene delimitata, habitu similis specierum Pertusariae vel Ochrolechiae generis. Sporae rarissime observatae, 8.5-15.0 x 2.5-4.0 µm.

Protolog type data: Type: USA, Alaska, Kodiak Island Borough, Kodiak Island E, N of Kodiak Airport, S of and near Buskin River, downstream from the Hwy bridge, 57°45.4'N, 152°30.9'W, 0-10 m, corticolous on Populus sp., 2001, Tønsberg 29367 (BG holotype; Tønsberg, Lich. isid. sor. crust. exs., isotypes).

Type locality: USA, Alaska, Kodiak Island Borough, Kodiak Island E, N of Kodiak Airport, S of and near Buskin River, downstream from the Hwy bridge, corticolous on Populus spec., 5 m, 2001, Tønsberg 29367 (BG - holotype; Tønsberg: Lich. Isid. Sor. Crust. Exs. - isotypes).