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

Version 15.2 (March 22nd, 2023)

Covering 353,581 accepted species,
8,951 hybrids, 50,320 accepted infraspecific taxa and 959,771 synonyms,
in total 1,372,623* names

[*about 40,000 dubious, "unplaced" names and about 5,000 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 30 years independently from other databases

In cooperation with Catalogue of Life