Bryologist 69: 482 (1967). Basionym: Parmelia granulifera Ach., Syn. Meth. Lich. (Lund): 212 (1814). Type locality: North America, Mühlenberg (H - holotype).
Basionym: Parmelia granulifera Ach., Syn. Meth. Lich. (Lund): 212 (1814).
Type locality: North America, Mühlenberg (H - holotype).