Homotypic Synonyms See Note

Basionym Name:
Lichen hyperellus Ach., Lich. suec. prodr. (Linköping): 85 (1799)

Homotypic synonyms:
Calicium hyperellum (Ach.) Ach., Methodus, Sectio prior (Stockholmiæ): 93 (1803)
Calicium hyperellum f. hyperellum (Ach.) Ach., Methodus, Sectio prior (Stockholmiæ): 93 (1803)
Calicium hyperellum var. hyperellum (Ach.) Ach., Methodus, Sectio prior (Stockholmiæ): 93 (1803)
Calicium viride f. hyperellum (Ach.) Vain., Acta Soc. Fauna Flora fenn. 57(no. 1): 30 (1927)
Phacotrum hyperellum (Ach.) Gray, Nat. Arr. Brit. Pl. (London) 1: 483 (1821)
Phacotrum hyperellum var. hyperellum (Ach.) Gray, Nat. Arr. Brit. Pl. (London) 1: 483 (1821)