Stepanchikova, Irina S., Ekaterina S. Kuznetsova, and Dmitry E. Himelbrant. 2017. “New Records of Lichens and Allied Fungi from the Eastern Leningrad Region”. Folia Cryptogamica Estonica 46 (September):75-78. https://ojs.utlib.ee/index.php/FCE/article/view/13665.