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

Version 19.2 (April 1st, 2024)

Covering 354,662 accepted species,
8,644 hybrids, 47,758 accepted infraspecific taxa and 996,179 synonyms,
in total 1,407,243* 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 38,290 pictures of 15,532 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life