Ascomycota
Clavicipitaceae, Erysiphaceae, Eurotiaceae, Saccharomycetaceae, Ascomycetes, Freshwater Ascomycetes and Their Anamorphs, Pyrenomycetes from Southwestern France, Xylariaceae
Basidiomycota
Agaricaceae, Amanitaceae, Boletaceae, Coprinaceae, Corticiaceae, Cortinariaceae, Entolomataceae, Lycoperdaceae, Polyporaceae, Pucciniaceae
CABI Bioscience Databases: Index Fungorum
Searchable taxonomic databases of the fungi.
Fungi of Poland
Photographs and description of thousands species of macrofungi growing in Poland and Central Europe. Includes a determination key. In English and Polish.
Introduction to the Fungi
Brief introduction to this kingdom with links to further information.
Natural Perspective: Fungus Kingdom
An introduction to fungi and some of the divisions which make up this kingdom.
The Fifth Kingdom
Introduction to the world of fungi for both amateurs and experts. Includes over 800 photographs.
Treasures from the Kingdom of Fungi
Beautiful, educational, and artistic photographs of mushrooms and other fungi by Taylor F. Lockwood. Includes an online game and a stock photo catalogue.
Zoosporic Fungi Online
Resource of information on zoosporic fungi, which includes chytrids, oomycetes, labyrinthulids, and other protists. Contains glossary, photos, how to isolate and maintain these organisms in culture, current publications, job listings, and related links.