Seventeen species of Peltigera and four peltigericolous fungi are reported from the Czywczyn Mts. (Eastern Carpathians, Ukraine). Peltigera membranacea and P. didactyla var. extenuata are new for the Eastern Carpathians and five other Peltigera species are new for the Czywczyn Mts. Four species of lichenicolous fungi are recorded for the first time from the Ukraine. The herbarium material was collected during 1933 - 1935 by Professor T. Sulma. Key words: Lichens, Peltigera, peltigericolous fungi, Czywczyn Mountains, Ukraine.