Four species of lichenicolous fungi (Clypeococcum epicrassum, Polycoccum cladoniae, Sphaerellothecium arnoldii, and Stigmidium aff. lecidellae) and two species o f lichenized fungi (Gyalolechia klementii and Parvoplaca servitiana) are reported for the first time from Turkey. Comments on their morphological characters, habitats, and substrates are provided, together with macro- and microphotographs. Key words: biodiversity, lichens, Mycosphaerellaceae, Polycoccaceae, Teloschistaceae.