1. Additions to the lichen flora of Denmark VI;Alstrup;Graphis Scripta,2004
2. Lichenicolous fungi from the Skibotn area, Troms, Norway;Alstrup;Graphis Scripta,2008
3. Lichenicolous fungi from the Grand Duchy of Luxembourg and surrounding areas;Diederich;Lejeunia NS,1986
4. The lichenicolous heterobasidiomycetes;Diederich;Bibliotheca Lichenologica,1996
5. New species and new records of American lichenicolous fungi;Diederich;Herzogia,2003