Hardy Fern Foundation (Popularity: )
http://www.hardyferns.org/ A club established to develop a comprehensive collection of the world's hardy ferns for display, testing, evaluation, public education, and ...
American Fern Society (Popularity: )
http://amerfernsoc.org/ Information on the biology and cultivation of ferns; activities of the society including a spore exchange and publication of Fiddlehead ...
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