Websites

• The Azolla Page
  http://azolla.fc.ul.pt/index_ing.html
   
• Directory of Cyanobacteriologists
  http://www-cyanosite.bio.purdue.edu/cbdir.html
   
• CyanoNews
  http://www.richmond.edu/~jelhai/cyanonews/index.html
   
• The Microbiology Network
  http://microbiol.org/
   
• The Molecular Analysis of Symbiosis Webpage
  http://www.geocities.com/CapeCanaveral/Hangar/6218/index.html
    
• The Mycorrhiza Information Exchange
  http://mycorrhiza.ag.utk.edu/
   
• Mycorrhizas in The Microbial World
  http://helios.bto.ed.ac.uk/bto/microbes/mycorrh.htm
   
• Nitrogen Fixation
  http://web.reed.edu/academic/departments/biology/nitrogen/
   
• TreeBASE - The Roots of Phylogeny
  http://phylogeny.harvard.edu/treebase/
   
• Humboldt University Berlin
  http://www.biologie.hu-berlin.de/genetics/genetics/frame_gen.html
   
• University of Marburg, Cell Biology & Applied Biology
  http://staff-www.uni-marburg.de/~cellbio/welcome.html
   
• University of Munich, Botany
  http://www.botanik.biologie.uni-muenchen.de/botphys/staff/herrmindex.html
   
• University of Stuttgart, Zoology
  http://www.uni-stuttgart.de/bio/zoologie/zoo-frame-e.htm

Newsgroups 

• bionet.biology.symbiosis Newsgroup
  http://www.bio.net/hypermail/symbios/current/
   
• bionet.biology.symbiosis Newsgroup Archive
  http://www.bio.net/hypermail/SYMBIOSIS-RESEARCH/
   
• The Microbiology Network
  http://microbiol.org/

Searchable indices

• The WWWeb Virtual Library Biosciences Index
  http://mcb.harvard.edu/BioLinks.html