Lichen community composition was evaluated for both lichen cover and richness on a cliff face commonly used for recreational rock climbing. The sandstone outcrop is located on the Sibley Peninsula, which extends from the north shore of Lake Superior. One-hundred and twenty plots were examined. Each plot was 1 m2 in size, with 60 plots located on unclimbed cliff sections and 60 more located where recreational rock climbing regularly occurs. Lichen richness and cover were significantly lower on … Read more... 

Together with the decreasing pollution load in the atmosphere, particularly with sulphur oxides, one can observe inhibition of the process of lichens’ biota impoverishment in areas with the increased anthropopressure. Since the end of the 1970s, in most of the cities of Western Europe, the process of recolonization by lichens has been observed. Recently, this phenomenon has been described also in Poland. As a consequence of lichenological researches, carried out in the city of Toruń between … Read more... 

A total of 37 lichen species were identified during the first lichenological research conducted in 2014 on the Folusz hill, including 28 taxa of epiphytes, 10 epixylic lichens and 4 common species of epigeic lichens. Historical sources contain only data on the occurrence of 13 taxa of epigeic lichens. In total, the list of lichens occurring in this area includes 48 species. No characteristic species of xerothermic grasslands were recorded at present or in the past. Key words: lichens, xerothermic … Read more... 

The paper presents the first species list of lichens and lichenicolous fungi found and identified in the artillery training area located near the city of Toruń. Lichenological studies were conducted in that area in 1998–2001 and 2009. A total of 100 taxa were identified, including 4 species of lichenicolous fungi, with particular emphasis on epigeic lichens – mainly from the genus Cladonia and Cetraria associated with heaths and arenaceous grasslands. The identified lichens include some threatened … Read more... 

The study presents data on the distribution of selected species of lichens – Cladonia furcata (Huds.) Schrad., C. rangiferina (L.) Weber ex F.H. Wigg. and C. uncialis (L.) Weber ex F.H. Wigg. in Toruń and along its southern boundary - on a heathland on the military training ground. A comparison was carried out of the research findings on the occurrence of the analysed species against variable habitat conditions over a period of nearly 40 years. The occurrence of Cladonia uncialis was most frequently … Read more...