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Ver. 19.3
May 18th, 2024

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A complete, synonymic checklist of the Ferns and Lycophytes of the World

CAUTION: Because two families were added, the families Desmophlebiaceae and Hemidictyaceae with 3 species are not displayed in "World Ferns" any more. We are asap fixing this. In the meantime consult the main list if you need those families.

Version 19.3 (May 18th, 2024)

Covering 13,116 accepted species,
815 hybrids, 953 accepted infraspecific taxa and 54,270 synonyms,
in total 69,154* names

[*about 1,200 dubious, "unplaced" names are omitted from the main database and listed under "Unplaced names"]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 4,677 pictures of 1,435 taxa

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life