A complete, synonymic checklist of the Orchids of the World

Version 18.2 (Dec. 5th, 2023)

Covering 30,378 accepted species,
1,437 hybrids, 1,667 accepted infraspecific taxa and 59,979 synonyms,
in total 93,461 names

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 pictures of 5,164 taxa

Assembled through 30 years independently from other databases

In cooperation with Catalogue of Life