EN
The paper presents a list of 50 lichens and lichenicolous fungi found on rocks in the region of Szrenica Mt. (western part of the Karkonosze Mts). All the species grow on granites, exposed either in boulder fields or as separate rock formations. Four of them, Chrysotrix chlorina, Cetrariella commixta, Parmelia omphalodes and Umbilicaria nylanderiana, are discussed in details. Chrysotrix chlorina is reported for the first time from the Polish Karkonosze Mts.