Records of two lichenicolous and nine lichen-forming fungi found in the southwestern part of Poland are presented. All of the reported species are very rare and they have only a few scattered localities in the country. One of them, Lecanora pannonica, is reported for the second time from Poland. Additionally, the new, contemporary records of Cercidospora macrospora, Rhizocarpon disporum, R. viridiatrum and Stereocaulon pileatum in Lower Silesia were noted. These species were known only from historical collections in the study area. Furthermore, Lecidea fuscoatra has been found a new host for Sagediopsis barbara. All of the localities of recorded species were found on natural outcrops of basalt rocks.
The paper presents the results of lichenological research carried out in the Gryżyński Landscape Park. 83 species of lichens have been found in the park. Among them, 28 were growing on trees, 14 on rocks, 19 on soil, 7 on wood and 15 on different kind of substrata. Some of the noted species are protected or endangered (e.g., Chaenotheca furfuracea, Strangospora pinicola, Thelocarpon epibolum, Parmelia submontana, Usnea subfloridana and Vulpicida pinastri) but most of them are very common in Poland.
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