Basionym Name:Lecanora critica Nyl., Flora, Regensburg 47: 490 (1864)
Homotypic synonyms:Aspicilia critica (Nyl.) Hue, Nouv. Arch. Mus. Hist. Nat., Paris, 5 sér. 2(1): 111 (1910)Lecanora cinereorufescens * critica (Nyl.) Nyl., Lich. Lapp. Orient.: 138 (1866)Lecanora cinereorufescens f. critica (Nyl.) Blomb. & Forssell, Enum. Pl. Scand.: 78 (1880)Lecanora cinereorufescens var. critica (Nyl.) H. Magn., Ark. Bot. 33A(no. 1): 101 (1946)