Santesson, R., Moberg, R., Nordin, A., Tønsberg, T. & Vitikainen, O. 2004. Lichen-forming and lichenicolous fungi of Fennoscandia. Museum of Evolution, Uppsala University. ISBN 91-972863-6-2.

This is the third edition of the annotated list of lichens and lichen-forming fungi, now also including Finland. It comprises 2 844 species and 124 subspecific taxa in 449 genera. Of the species 430 are lichenicolous fungi and 27 are related saprophytes. Altogether 8 394 synonyms are listed. For each species information is given regarding habitat and distribution in Sweden, Norway and Finland, with references to relevant literature.

The following 16 new combinations are proposed: Arthonia caerulescens (Almq.) R.Sant., Arthonia lecanorina (Almq.) R.Sant., Arthonia lepidiota (H.Olivier) R.Sant., Aspicilia rimulosa (H.Magn.) Vitik., Calvitimela melaleuca (Sommerf.) R.Sant., Calvitimela perlata (Haugan & Timdal) R.Sant., Cercidospora punctillata (Nyl.) R.Sant., Ionaspis obtecta (Vain.) R.Sant., Lecania hyalina (Fr.) R.Sant., Lecanographa rinodinae (Vězda) R.Sant., Protoparmeliopsis achariana (A.L.Sm.) Moberg & R.Sant., Protoparmeliopsis laatokkaënsis (Räsänen) Moberg & R.Sant., Protoparmeliopsis macrocyclos (H.Magn.) Moberg & R.Sant., Pseudosagedia globulans (Vain.) R.Sant., Pycnora leucococca (R.Sant.) R.Sant. and Schaereria serenior (Vain.) Vitik. Some new species currently in press in other publications or in manuscripts have been included.