To the lichen flora of Oka Plateau (Eastern Sayan, Republic of Buryatia)
New data on the distribution of 329 lichen species in Oka Plateau (Eastern Sayan, Southern Siberia, Republic of Buryatia) are presented. 7 species are reported for the first time for lichen flora of Russia: <i>Leptogium furfuraceum, Melanelixia villosella, Myxophora leptogiophila, Pachyphiale ophiospora, Physcia </i>cf. <i>integrata, Polycoccum clauzadei, Stigmidium psorae. </i>14 species are recorded for the first time to Southern Siberia: <i>Arthonia clemens, Bacidina delicata, Caloplaca saxifragarum, Lecidea septentrionalis, Leciophysma finmarkicum, Leptogium intermedium, Phaeosporobolus alpinus, Rhizocarpon frigidum, Rinodina metaboliza, R. olivaceobrunnea, Tetramelas chloroleucus, T. phaeophysciae, Weddellomyces tartaricola, Xanthoria stiligera. </i>The records of <i>Myxophora leptogiophila, Pachyphiale ophiospora, Polycoccum clauzadei, Stigmidium psorae, Weddellomyces tartaricola </i>are the first to Asia.