At the territory of the Lebyazhe City Forest Park (Kazan), 176 species were identified, of which 160 are lichens, nine are lichenicolous fungi, one is a facultatively lichenicolous, and six are saprotrophic non-lichenized fungi. Of these, 46 species are new to the Republic of Tatarstan, including the lichenicolous fungus Epithamnolia xanthoriae is reported for the first time for the Central European Russia. New habitats of protected in Tatarstan lichen Cresponea chloroconia were found. Most of the newly reported species are mainly widespread lichens in European Russia, which indicates that the lichen biota of Tatarstan is poorly investigated.