3 links
Fungi of Poland
grzyby.pl
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
ucmp.berkeley.edu
Brief introduction to this kingdom with links to further information.
The Fifth Kingdom
mycolog.com
Introduction to the world of fungi for both amateurs and experts. Includes over 800 photographs.