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

Version 19.3 (May 18th, 2024)

Covering 354,831 accepted species,
8,650 hybrids, 47,763 accepted infraspecific taxa and 996,461 synonyms,
in total 1,407,705* names

[*about 25,000 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 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life