Template:Kopachevskaya et al., 1971
- Kopaczevskaja, E.G., Makarevicz, M.F., Oxner, A.M. & Rassadina, K.A. 1971. Handbook of the lichens of the U.S.S.R. [Opredelitelj lishaĭnikov SSSR.] 1. Pertusariaceae, Lecanoraceae and Parmeliaceae.: 1–412. Herba (DjVu)