Additional lichens and some lichenicolous fungi from the Una National Park (Bosnia and Herzegovina).

A list of 62 taxa (61 species) of lichens and 7 species of lichenicolous fungi from the Una National Park in the north-western part of Bosnia and Herzegovina is presented. The lichens Caloplaca crenulatella, Dimerella pineti, Lecanora expallens, Lopadium disciforme, Placynthiella icmalea, Toninia athallina and the lichenicolous fungi Abrothallus bertianus, A. parmeliarum, Cornutispora lichenicola, Endococcus rugulosus, and Sphaerellothecium parmeliae are new to Bosnia and Herzegovina.