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Pteridophyte Collections Consortium
Ferns, lycophytes, and their extinct free-sporing relatives
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Taxonomic Tree Viewer
Central Taxonomic Thesaurus
Description
" The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World (
https://worldplants.webarchiv.kit.edu/ferns/
), generously provided by Michael Hassler.
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