For sites about both ferns (Polypodiophyta) and their allies: horsetails (Equisetophyta), club mosses (Lycopodiophyta), and whisk-ferns (Psilotophyta).
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British Pteridological Society
Images and information about ferns and other pteridophytes; activities of the society including publication of the Fern Gazette, Pteridologist, and Bulletin.
Checklist 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.
Pteridophytes: 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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Last update:June 11, 2015 at 9:35:09 UTC