Hardy Fern Foundation
hardyferns.org
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.
American Fern Society
amerfernsoc.org
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.
San Diego Fern Society
sdfern.com
Information on fern culture and the activities of the society plus lists of books and experts.
Los Angeles International Fern Society
smcdaniel.net
Information about the society's activities, ferns, and fern allies.
Cold-hardy Tree Ferns
angelfire.com
Well illustrated site that describes cold-hardy tree ferns and their cultivation in cool climates.
Texas Gulf Coast Fern Society
rwsarchitects.com
Introduction, events, and links to other societies and sites of pteridological interest.
Nederlandse Varenvereniging
flakkee.net
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.
Staghorn Ferns for Florida
edis.ifas.ufl.edu
University of Florida provides general details on the plant including lighting, watering and fertilization.