Basionym Name:Lecanora angulosa f. lignatilis Nyl., in Norrlin & Nyland, Herb. Lich. Fenn. Cont.: no. 525 (1921)
Homotypic synonyms:Lecanora carpinea f. lignatilis (Nyl.) Vain., in Norrlin & Nyland, Herb. Lich. Fenn. Cont.: no. 525 (1921)