Homotypic Synonyms See Note

Basionym Name:
Lichen microcephalus Sm., in Smith & Sowerby, Engl. Bot. 26: [1865] (1808)

Homotypic synonyms:
Calicium microcephalum (Sm.) Ach., Syn. meth. lich. (Lund): 57 (1814)
Calicium microcephalum var. microcephalum (Sm.) Ach., Syn. meth. lich. (Lund): 57 (1814)
Cyphelium microcephalum (Sm.) Hepp, Flecht. Europ.: no. 551 (1860)
Mycocalicium microcephalum (Sm.) Fink, Lich. Fl. U.S.: 72 (1935)
Phacotiella microcephala (Sm.) Vain., Acta Soc. Fauna Flora fenn. 57(no. 1): 113 (1927)
Phacotiella microcephala var. microcephala (Sm.) Vain., Acta Soc. Fauna Flora fenn. 57(no. 1): 113 (1927)
Phacotrum microcephalum (Sm.) Gray, Nat. Arr. Brit. Pl. (London) 1: 482 (1821)
Sphinctrina microcephala (Sm.) Nyl., Syn. meth. lich. (Parisiis) 1(2): 144 (1860)
Sphinctrina microcephala f. microcephala (Sm.) Nyl., Syn. meth. lich. (Parisiis) 1(2): 144 (1860)
Sphinctrina microcephala var. microcephala (Sm.) Nyl., Syn. meth. lich. (Parisiis) 1(2): 144 (1860)
Sphinctrina turbinata var. microcephala (Sm.) Mudd, Man. Brit. Lich.: 256 (1861)