Welcome to the International Plant Names Index (IPNI)
IPNI provides nomenclatural data (spelling, author, types and first place/date of publication) for the scientific names of vascular plants from family to infraspecific ranks.
For any taxonomic data go to Plants of the World Online
IPNI is produced by a collaboration between
You can now register a plant name
Your contribution will help promote your work and make IPNI a more comprehensive plant name resource. Already registered? Log in to access your account.
New plant name
Add a name that is new to science whether it is a new taxon, a new combination or a replacement name.
New records are added daily, and the IPNI team are continuously working to improve data standardisation. IPNI provides links to protologues from the Biodiversity Heritage Library as well as links to taxonomic data (synonymy and native distribution) through Plants of the World Online.