Homotypic Synonyms See Note

Basionym Name:
Umbilicaria exasperata Hoffm., Descr. Adumb. Plant. Lich. 1(1): 7 (1789)

Homotypic synonyms:
Gyrophora exasperata (Hoffm.) Flörke, in Schrader, Mag. Gesell. naturf. Freunde, Berlin 4: 66 (1810)
Gyrophora proboscidea f. exasperata (Hoffm.) Cromb., Monogr. Lich. Brit.(1): 326 (1894)
Lichen exasperatus (Hoffm.) J.F. Gmel., Syst. Nat., Edn 13 2(2): 1374 (1792)
Umbilicaria cylindrica f. exasperata (Hoffm.) Leight., Lich.-Fl. Great Brit.: 162 (1871)
Umbilicaria proboscidea var. exasperata (Hoffm.) Nyl., Lich. Scand. (Helsinki): 116 (1861)
Umbilicaria varia f. exasperata (Hoffm.) Leight., Ann. Mag. nat. Hist., Ser. 2 18: 294 (1856)