Synonymy:
Lichen lygodes Ach., Lich. suec. prodr. (Linköping): 86 (1799) [1798]
Coniocybe stemonea b viride (Pers.) Rabenh., Krypt.-Fl. Sachsen, Abth. 2 (Breslau): 16 (1870)
Calicium hyperellum f. viride (Pers.) Cromb., Monogr. Lich. Brit.(1): 91 (1894)
Chaenotheca stemonea f. viridis (Pers.) Zahlbr., Cat. Lich. Univers. 1: 577 (1922)

Lichen hyperellus Ach., Lich. suec. prodr. (Linköping): 85 (1799) [1798]
Calicium hyperellum (Ach.) Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 93 (1803)
Phacotrum hyperellum (Ach.) Gray, Nat. Arr. Brit. Pl. (London) 1: 483 (1821)
Calicium viride f. hyperellum (Ach.) Vain., Acta Soc. Fauna Flora fenn. 57(no. 1): 30 (1927)

Calicium lygodes (Ach.) Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 95 (1803)
Calicium hyperellum var. lygodes (Ach.) Ach., K. Vetensk-Acad. Nya Handl. 29: 280 (1808)
Calicium hyperellum f. lygodes (Ach.) Branth, Bot. Tidsskr. 2: 72 (1868)

Calicium baliolum Ach., Methodus qua omnes detectos Lichenes Secundum Organa Carpomorpha ad Genera, Species et Varietates Redigere atque Observationibus Illustrare Tentavit Erik Acharius: 94 (1803)
Calicium hyperellum var. baliolum (Ach.) Wahlenb., Fl. lapp.: 485 (1812)
Calicium hyperellum f. baliolum (Ach.) Ach., Syn. meth. lich. (Lund): 59 (1814)
Calicium viride var. baliolum (Ach.) Oxner, Flora Lischaĭnikiv Ukraïni (Kiev) 1: 320 (1956)

Calicium viride f. leprosa Nádv., Preslia 18-19: 117 (1940)

Position in classification:
Calicium, Caliciaceae, Caliciales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi

Note:
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