Basionym Name:Cetraria pallidula Tuck. ex Riddle, Bryologist 18: 28 (1915)
Homotypic synonyms:Ahtiana pallidula (Tuck. ex Riddle) Goward & A. Thell, in Thell, Goward, Randlane, Kärnefelt & Saag, Bryologist 98(4): 601 (1995)Nephromopsis pallidula (Tuck. ex Riddle) Riddle, Bryologist 18: 28 (1915)Tuckermannopsis pallidula (Tuck. ex Riddle) Hale, in Egan, Bryologist 90(2): 164 (1987)