Stepanchikova, I. S., Andreev, M. P., Himelbrant, D. E., Motiejūnaitė, J., Schiefelbein, U., Konoreva, L. A. and Ahti, T. (2017) “The lichens of Bolshoy Tuters Island (Tytärsaari), Leningrad Region, Russia”, Folia Cryptogamica Estonica, 540, pp. 95-116. doi: 10.12697/fce.2017.54.14.