[as 'asyndecta'], Beitr. Naturk. Forsch. Südwestdeutschl. 31: 92 (1972).

Basionym: Lecidea asyndeta Nyl., Flora, Regensburg 60: 225 (1877).

Protolog: Data lacking.

Protolog type data: In insula Hogland supra saxa feldspathica (Wainio).

Type locality: Russia, Leningrad oblast, Hogland (Gogland) [island], on feldspath rocks, Vainio (xxx).

Type locality coordinates: 60°3'20.8" N, 26°59'1.87" E; 60.055778°, 26.983853°.