Stepanchikova, Irina S., Dmitry E. Himelbrant, Jurga Motiejūnaitė, Teuvo Ahti, Ave Suija, Ekaterina S. Kuznetsova, and Aleksandra V. Dyomina. 2018. “New Records of Lichens and Allied Fungi from the Leningrad Region, Russia. IX”. Folia Cryptogamica Estonica 55 (September), 117-24. https://doi.org/10.12697/fce.2018.55.12.