This second part of Fungi Europaei Volume 1 on Agaricus L. includes sections on:
- Xanthodermatei; Arvenses; Minores; (Subgenus Lanagaricus), Lanosi.
- Taxa of uncertain taxonomic position.
- Genus Allopsalliota.
- List of the taxa excluded from the European catalogue. Ambiguous, confused, doubtful and excluded names.
- Invalidly published or misapplied names. I
- References, appendices I – IV, addenda to volume I and an index.
Bilingual in English and Spanish, keys in English, Spanish and Italian.