Noteworthy lichens recorded in the Balkan Peninsula

Selected locations in four Balkan countries (Serbia, Albania, North Macedonia and Greece) were visited. One hundred and twenty one lichen species were recorded in fourteen locations. Cladonia cervicornis is reported new to Serbia, as well as Cladonia squamosa, Pertusaria leioplaca, Xanthoparmelia angustiphylla and Polycauliona polycarpa to Albania. One lichenicolous fungus Plectocarpon lichenum was recorded. A brief description of the new or interesting records of these species is also provided