Homotypic Synonyms See Note

Basionym Name:
Lichen laevigatus Sm., in Smith & Sowerby, Engl. Bot. 26: [1852] (1808)

Homotypic synonyms:
Hypotrachyna laevigata (Sm.) Hale, Smithson. Contr. bot. 25: 44 (1975)
Hypotrachyna laevigata subsp. laevigata (Sm.) Hale, Smithson. Contr. bot. 25: 44 (1975)
Imbricaria laevigata (Sm.) Arnold, Flora, Regensburg 53: 212 (1870)
Parmelia laevigata (Sm.) Ach., Syn. meth. lich. (Lund): 212 (1814)
Parmelia laevigata f. laevigata (Sm.) Ach., Syn. meth. lich. (Lund): 212 (1814)
Parmelia laevigata subsp. laevigata (Sm.) Ach., Syn. meth. lich. (Lund): 212 (1814)
Parmelia laevigata var. laevigata (Sm.) Ach., Syn. meth. lich. (Lund): 212 (1814)
Parmelia sinuosa var. laevigata (Sm.) Schaer., Enum. critic. lich. europ. (Bern): 43 (1850)
Parmotrema laevigatum (Sm.) M. Choisy, [as 'laevigata'] Bull. mens. Soc. linn. Soc. Bot. Lyon 21: 176 (1952)