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 Pteridolog…
Ferns Around Washington, DC
A collection of images and information on ferns growing in the DC area.
Ferns of Great Britain and Ireland
Small images of 39 antique prints by Thomas Moore, 1855.
Introduction to the Ferns
The ferns are an ancient lineage of plants, dating back to at least the Devonian. They include three living groups - Marattiales, Ophioglossales, and leptosporangiate ferns - as we…
Phylogeny and evolution of ferns (Monilophytes)
Scientific paper from American Journal of Botany 2004 showing that Psilotophyta and Equisetophya are in the Monilophyte clade with the other ferns.