This paper reports on 29 species of lichenicolous fungi collected in the Hornsund region and Sørkapp Land area, Spitsbergen. New to science are Hystrix gen. nov., Slellifraga gen. nov., Dactylospora cladoniicola sp. nov., Hystrix peltigericola sp. nov., Stellifraga cladoniicola sp. nov. and Zwackhiomyces macrosporus sp. nov. A further 15 species are new to Svalbard.

A lichenicolous fungus, Dactylospora dobrowolskii Olech et Alstrup, new to science is described. The paper reports on 9 species of lichens and lichenicolous fungi collected in the Bunger Oasis (East Antarctica).