Basionym Name:Lecidea ambigua Fr., Lich. eur. reform. (Lund): 304 (1831)
Homotypic synonyms:Lecidella ambigua Körb., Syst. lich. germ. (Breslau): 236 (1855)Lecidella ambigua var. ambigua Körb., Syst. lich. germ. (Breslau): 236 (1855)