New records of lichens and allied fungi from Koryakia (Northern Kamchatka, Russia)

Based on the collections of Koryak geobotanical expeditions of the Komarov Botanical Institute, 21 species of lichens and lichenicolous fungi are reported as new to Koryakia: 13 of them are also new to Kamchatka; Arthonia granitophila, A. peltigerea, and Protoparmelia ochrococca are new to the Russian Far East; Fuscidea lowensis and Polycoccum microcarpum are new to Russia. Altogether 550 species of lichens and allied fungi are currently known for Koryakia.