Basionym Name:Lecidea assimilata var. infuscata Th. Fr., Lich. Scand. (Upsaliae)(2): 523 (1874)
Homotypic synonyms:Lecidea assimilata f. infuscata (Th. Fr.) Vain., Meddn Soc. Fauna Flora fenn. 10: 85 (1883)Lecidella assimilata var. infuscata (Th. Fr.) Stein, Krypt.-Fl. Schlesien (Breslau) 2(2): 246 (1879)