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.

Well illustrated site that describes cold-hardy tree ferns and their cultivation in cool climates.

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.

Information about the society's activities, ferns, and fern allies.

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.

Information on fern culture and the activities of the society plus lists of books and experts.

University of Florida provides general details on the plant including lighting, watering and fertilization.

Introduction, events, and links to other societies and sites of pteridological interest.