Homostegia piggotii (Berk. & Broome) P. Karst.

Selection criteria. Country: British Isles. Associated organism: Parmelia

Number of records. 3. Locations. state not noted. Associated organisms. Parmelia omphalodes; Parmelia saxatilis; Parmelia sulcata. Literature. Cannon, Hawksworth & Sherwood-Pike (1985).