Lichenologist 19(4): 420 (1987). Basionym: Parmelia horrescens Taylor, in Mackay, Fl. Hibern. 2: 144 (1836). Type locality: Ireland, Province of Munster, County Kerry, Dunkerron mountains.
Basionym: Parmelia horrescens Taylor, in Mackay, Fl. Hibern. 2: 144 (1836).
Type locality: Ireland, Province of Munster, County Kerry, Dunkerron mountains.