Kuznetsova, E.S., Kataeva, O.A., Himelbrant, D.E. and Motiejūnaitė, J. 2016. Lichens and allied fungi of the Ragusha River Protected Area (Leningrad Region, Russia). Folia Cryptogamica Estonica. 53, (Nov. 2016), 71–80. DOI:https://doi.org/10.12697/fce.2016.53.09.