A list of 72 species of lichenicolous fungi known from the Caucasus is presented, including 21 species documented for the first time. Laeviomyces pertusariicola and Perigrapha superveniens are reported new to Russia and Asia, Sclerococcum simplex new to Asia and Unguiculariopsis lettaui new to Russia. The genus Laeviomyces is resurrected in order to distinguish L. pertusariicola. Key words: Biodiversity, taxonomy, Laeviomyces, Russia, Asia.