This site contains pictures and information on the various fungus groups

http://www.uoguelph.ca/~gbarron/

Mushrooms, Fungi and mycology. Lots of info and also links, photos, articles, organizations and even recipes. Also a lot of links to "non-english" web resources

http://www.mykoweb.com/

Families, keys and extensive taxa

http://www.nybg.org/bsci/res/hall/famlist.html

Contains photos and descriptions. Also a species index, simple key and glossary of terms

http://www.mykoweb.com/BAF/index.html

Lots of pictures, info and links on mushrooms. Covers a wide range of topics from identification to effects.

http://members.aol.com/xerula/xprt.html

Relly interresting articles on holidays and fungi, pictures, an intro to the kingdom fungi plus the bonus, "Fungi of the Month"

http://www.wisc.edu/botany/fungi/volkmyco.html

Lots of fungal lineage info

http://phylogeny.arizona.edu/tree/eukaryotes/fungi/fungi.html

Introduction to the Kingdom Fungi

http://www.ucmp.berkeley.edu/fungi/fungi.html

Information on fungi and their effects (also parasites, bacteria, viruses and other common infections)

http://www.bu.edu/cohis/infxns/fungi/fungi.htm

Mycology resources

http://www.keil.ukans.edu/~fungi/funinfo.html