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

Version 26.05 (May 20th, 2026)

Because of field trips the next update will be delayed until end of July!

Covering 359,646 accepted species,
8,890 hybrids, 47,679 accepted infraspecific taxa and 1,012,517 synonyms,
in total 1,428,732* names

[*about 20,000 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