For sites about both ferns (Polypodiophyta) and their allies: horsetails (Equisetophyta), club mosses (Lycopodiophyta), and whisk-ferns (Psilotophyta).
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Subcategories 4
Related categories 1
Sites 1
Images and information about ferns and other pteridophytes; activities of the society including publication of the Fern Gazette, Pteridologist, and Bulletin.
Images and information about ferns and other pteridophytes; activities of the society including publication of the Fern Gazette, Pteridologist, and Bulletin.
Other languages 1
