Fungi of Switzerland:
6 volumes which cover the majority of specimens one is likely to find.
Fungi of Switzerland 1: Ascomycetes
Fungi of Switzerland 2: Aphyllophorales (non-gilled fungi)
Fungi of Switzerland 3: Boletales & Agaricales (Bolets and Agarics Pt. 1)
Fungi of Switzerland 4: Agaricales (Agarics Pt. 2)
Fungi of Switzerland 5: Agaricales (Agarics Pt. 3)
Fungi of Switzerland 6: Russulaceae (Lactarius and Russula)
Fungi of Northern Europe Series:

The Genus Hygrocybe - Boertmann,
1995 287 colour pictures & line drawings

The Genus Lactarius - Heilmann-Clausen, J.; Verbeken, A.; Vesterholt, J.
2000 287 colour pictures & line drawings

The Genus Hebeloma - Vesterholt, J.
2005 146 colour pictures & line drawings