Homotypic Synonyms See Note

Basionym Name:
Lichen gyrosus Gunnerus, Fl. Norveg. 2: 123 (1772)

Homotypic synonyms:
Collema gyrosum (Gunnerus) Röhl., Deutschl. Fl. (Frankfurt) 3(2): 148 (1813)
Collema melaenum f. gyrosum (Gunnerus) Ach., Syn. meth. lich. (Lund): 315 (1814)
Collema melaenum var. gyrosum (Gunnerus) Ach., Lich. Univ.: 638 (1810)
Collema multifidum f. gyrosum (Gunnerus) A.L. Sm., Cat. Lich. Univers. 3: 90 (1924)
Collema multifidum var. gyrosum (Gunnerus) A.L. Sm., Monogr. Brit. Lich., Edn 2 1: 55 (1924)
Eucollema melaenum f. gyrosum (Gunnerus) Horw., Hand-list Lich. Gr. Brit.: 6 (1912)
Lichen jacobaeifolius * gyrosum (Gunnerus) Lam., Encycl. Méth. Bot., Suppl. (Paris) 3(2): 412 (1813)
Parmelia melaena var. gyrosa (Gunnerus) Ach., Methodus, Sectio post. (Stockholmiæ): 242 (1803)