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

Version 18.2 (Dec. 5th, 2023)

Covering 351,757 accepted species,
8,571 hybrids, 46,675 accepted infraspecific taxa and 988,839 synonyms,
in total 1,395,842* names

[*about 27,000 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