Fungal Diversity 64: 286 (2014).
Basionym: Collemodes bachmanianum Fink, Mycologia 10, 5: 237 (1918).
Type locality: USA, Iowa, Fayette county, 1894, Fink 1127 (MICH - lectotype). Designated by Jørgensen, Nordic Lichen Flora 3: 143 (2007).