[in Polish with English abstract: ] The paper presents new localities of 49 species of lichens and 11 species of lichenicolous fungi (marked by an asterisk), which are endangered in Poland or are regionally rare. The name of each taxon is followed by data on its diagnostic features and distribution in Poland. Provided lists of localities contain geographic coordinates and ATPOL grid squares, modified by S. Cieśliński and W. Fałtynowicz for the purposes of the Atlas of the Geographical Distribution of Lichens in Poland (published by W. Szafer Institute of Botany, Polish Academy of Sciences, 1993). Keywords: lichenized fungi; lichenicolous fungi; biodiversity; rare species; distribution in Poland.