Nova Acta R. Soc. Scient. Upsal., Ser. 3 3: 351 (1861) [1860]. Basionym: Lichen phaeocephalus Turner, Trans. Linn. Soc. London 9: 260 (1807).
Basionym: Lichen phaeocephalus Turner, Trans. Linn. Soc. London 9: 260 (1807).