A complete, synonymic checklist of the Higher Plants of the World

Version 17.0 (Oct. 1st, 2023)

Covering 352,627 accepted species,
8,537 hybrids, 48,517 accepted infraspecific taxa and 975,228 synonyms,
in total 1,384,909* names

[*about 35,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]

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 38,290 pictures of 15,532 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life