Hardy Fern Foundation  
   A club established to develop a comprehensive collection of the world's hardy ferns for display, testing, evaluation, public education, and introduction for gardening and horticulture.
   http://www.hardyferns.org/

Los Angeles International Fern Society  
   Information about the society's activities, ferns, and fern allies.
   http://smcdaniel.net/laifs/

San Diego Fern Society  
   Information on fern culture and the activities of the society plus lists of books and experts.
   http://www.sdfern.com/

Texas Gulf Coast Fern Society  
   Introduction, events, and links to other societies and sites of pteridological interest.
   http://www.rwsarchitects.com/fern.htm

Cold-hardy Tree Ferns  
   Well illustrated site that describes cold-hardy tree ferns and their cultivation in cool climates.
   http://www.angelfire.com/bc/eucalyptus/treeferns/

Our Fine, Feathery Ferns: a Sight for Sori  
   An illustrated article on ferns and their cultivation from Milwaukee Public Museum's LORE magazine.
   http://www.mpm.edu/collect/botany/ferns.html

American Fern Society  
   Information on the biology and cultivation of ferns; activities of the society including a spore exchange and publication of Fiddlehead Forum, American Fern Journal, and Pteridologia.
   http://amerfernsoc.org/

Staghorn Ferns for Florida  
   University of Florida provides general details on the plant including lighting, watering and fertilization.
   http://edis.ifas.ufl.edu/BODY_MG015

Nederlandse Varenvereniging  
   The Dutch Fern Society offers basic information about ferns in general and several galleries of fern pictures and drawings. Site available in English and Dutch.
   http://www.nederlandse-varenvereniging.nl/