Epilithic lichens in rock communities on the territory of the Botanical Garden of PetrSU

Species diversity of epilithic lichens (54 species) on the territory of the Botanical Garden of Petrozavodsk State University with different character of anthropogenic impact has been reported. Nine species of epilithic lichens are recorded as new for the studied territory and species Acarospora nitrophila, Lecanora sulphurea, Lecidea lithophila - as new for the biogeographical province of Karelia onegensis. The highest number of lichen species was found within area of observation deck “Devil's chair” where the greatest variety of microhabitats was presented.