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Equisetophyta 55
Lycopodiophyta 89
Polypodiophyta 511
Psilotophyta 28
| | Ferns - Plants, Gardening, Home 8
 British Pteridological SocietyBritish Pteridological Society
 Images and information about ferns and other pteridophytes; activities of the society including publication of the Fern Gazette, Pteridologist, and Bulletin.
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Checklist of World FernsChecklist of World Ferns
 A compiled list of the ferns and fern allies of the world, with full botanical names, information about where they are found, and their classification.
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Field Systematic Botany - Pteridophytes: an OverviewField Systematic Botany - Pteridophytes: an Overview
 A detailed introduction to the ferns and fern allies.
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Images of PteridophytaImages of Pteridophyta
 Part of the W3Tropicos database at the Missouri Botanical Garden.
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Introduction to the PteridophytesIntroduction to the Pteridophytes
 An illustrated introduction to the ferns and fern allies for undergraduate students.
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Natural Perspective - Ferns and Allies (Filicinophyta)Natural Perspective - Ferns and Allies (Filicinophyta)
 Brief introduction.
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Pteridophytes: Ferns and Fern AlliesPteridophytes: Ferns and Fern Allies
 Personal site with a classification scheme, bibliography, some local checklists (Ohio and Kentucky), and an article on ferns and soil conservation.
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Pteridophytes: The Ferns and their AlliesPteridophytes: The Ferns and their Allies
 Provides information on these ferns and their allies, their structure and classification, with keys and checklists of Australian species.
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