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Marratiopsida 7
Marsileopsida 6
Ophioglossopsida 14
Polypodiopsida 453
Salviniopsida 20
| | Ferns - Plants, Gardening, Home 7
Pteridophyta - Plantae, Flora and Fauna, Biology, Science 8
 American Fern SocietyAmerican 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.
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British Fern SpeciesBritish Fern Species
 Searchable database.
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British FernsBritish Ferns
 The Delta database provides botanical descriptions of all species found in the British Isles.
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Fern SiamFern Siam
 Images, taxonomic information, online forum, and other resources about ferns in Thailand. Mostly in Thai language, with some English.
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Ferns Around Washington, DCFerns Around Washington, DC
 A collection of images and information on ferns growing in the DC area.
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Ferns et al of New England and BermudaFerns et al of New England and Bermuda
 Lists all native pteridophyte species and some hybrids, with photographs of most and data pages for some.
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Ferns ImagesFerns Images
 Microscopic images of various parts and sections of ferns.
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Ferns of BarbadosFerns of Barbados
 Checklist plus distribution data and links for each species.
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Ferns of Great Britain and IrelandFerns of Great Britain and Ireland
 Small images of 39 antique prints by Thomas Moore, 1855.
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Ferns of the Canberra RegionFerns of the Canberra Region
 A site about ferns in southeastern Australia, their ecology, how to grow them, information on ferns in general, with numerous photographs.
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Filcalean FernsFilcalean Ferns
 Photographs of some ferns.
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FilicopsidaFilicopsida
 Introduction to ferns from the Tree of Life project.
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Gallery of Connecticut FernsGallery of Connecticut Ferns
 Photos and brief information indexed by common and scientific names.
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Introduction to the FernsIntroduction 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 well as a couple of extinct groups.
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Leptosporangiate FernsLeptosporangiate Ferns
 Next to the flowering plants, the leptosporangiate ferns are the most diverse group of living land plants. Estimates place their diversity at about 12,000 species in around 300 genera. This page is part of the tree of life phylogeny project.
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Native Ferns for Cool ClimatesNative Ferns for Cool Climates
 Information on the cultivation of Australian native ferns with a species list.
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Neotropical Fern GeneraNeotropical Fern Genera
 Key to the genera of neotropical ferns provided by PhytoImages.
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Phylogeny and evolution of ferns (Monilophytes)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. [PDF]
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Plant Diversity: Ferns in The Wet TropicsPlant Diversity: Ferns in The Wet Tropics
 Information and photographs of several ferns that grow in northern Australia.
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PterophytaPterophyta
 Introduction to the systematics of the ferns, with family descriptions and images.
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