Homotypic Synonyms See Note

Basionym Name:
Lecanora expallens Ach., Lich. Univ.: 374 (1810)

Homotypic synonyms:
Byssus expallens (Ach.) Wahlenb., Fl. Suec. 2: 885 (1826)
Lecanora symmicta var. expallens (Ach.) H. Olivier, Fl. Lich. Orne 2: 158 (1884)
Lecanora varia f. expallens (Ach.) Blomb. & Forssell, Enum. Pl. Scand.: 76 (1880)
Lecanora varia var. expallens (Ach.) Th. Fr., Lich. Scand. (Upsaliae)(1): 261 (1871)
Lecidea expallens (Ach.) Borrer ex Hook., Engl. Fl., Mosses, Hepaticae, Lichens, Characeae and Algae (London) 5(1): 181 (1833)
Lepraria expallens (Ach.) Fr., Sched. Crit. Lich. Suec., Fasc. 1-4: 16 (1824)
Parmelia varia var. expallens (Ach.) F. Desp., Flore de la Sarthe: 385 (1838)