21 lichen species are reported from the Caucasus (Teberdinsky Nature Reserve, Karachaevo- Cherkesskaya Republic). Absconditella lignicola, Cliostomum leprosum, Fuscopannaria mediterranea, Lecanora fuscescens, Micarea bauschiana, Placynthiella icmalea, Pseudephebe minuscula, Pycnora praestabilis, Rinodina cacuminum, Scoliciosporum chlorococcum, Xanthoria ectaneoides and Xylographa vitiligo are new to the Caucasus. Lecanora intumescens, L. subcarpinea, L. leptyrodes and Verrucaria dolosa are new to the Northern Caucasus. [In Russian with English summary]