Basionym Name:Lecanora albella var. sordidescens Ach., Lich. Univ.: 369 (1810)
Homotypic synonyms:Lecanora albella f. sordidescens (Ach.) Ach., Syn. meth. lich. (Lund): 169 (1814)Lecanora angulosa var. sordidescens (Ach.) Stizenb., Ber. Tät. St Gall. naturw. Ges.: 367 (1882)Lecanora subfusca var. sordidescens (Ach.) Th. Fr., Lich. Scand. (Upsaliae)(1): 243 (1871)Parmelia albella f. sordidescens (Ach.) Becker, Fl. Frankfurt, Zweite Abth. (Frankfurt): 183 (1828)