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Ver. 15.2
March 22nd, 2023

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

Version 15.2 (March 22nd, 2023)

Covering 13,036 accepted species,
847 hybrids, 989 accepted infraspecific taxa and 53,645 synonyms,
in total 68,517* names

[*about 1,300 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 30 years independently from other databases

In cooperation with Catalogue of Life