Homotypic Synonyms See Note

Basionym Name:
Cetraria islandica var. crispa Ach., Lich. Univ.: 513 (1810)

Homotypic synonyms:
Cetraria crispa (Ach.) Nyl., in Norrlin, Meddn Soc. Fauna Flora fenn. 1: 16 (1876)
Cetraria crispa f. crispa (Ach.) Nyl., in Norrlin, Meddn Soc. Fauna Flora fenn. 1: 16 (1876)
Cetraria crispa var. crispa (Ach.) Nyl., in Norrlin, Meddn Soc. Fauna Flora fenn. 1: 16 (1876)
Cetraria islandica f. crispa (Ach.) Fr., Lich. eur. reform. (Lund): 37 (1831)
Cetraria islandica subsp. crispa (Ach.) Cromb., Monogr. Lich. Brit.(1): 217 (1894)
Cetraria islandica subvar. crispa (Ach.) Boistel, Nouv. Fl. Lich. (Paris) 2: 47 (1903)
Cornicularia islandica var. crispa (Ach.) Mudd, Man. Brit. Lich.: 77 (1861)