» 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/

» 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/

» 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://www.laifs.org/

» 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.flakkee.net/~fernworld/

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

» 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

» Texas Gulf Coast Fern Society    Introduction, events, and links to other societies and sites of pteridological interest.    http://www.tgcfernsoc.org/