Skip to Content

International Association for Plant Taxonomy

« Back to Glossary Index

– Promote understanding of plant biodiversity
– Facilitate international research communication between botanists
– Oversee uniformity and stability in plant names
– Raise awareness of plant conservation
– Sponsor meetings and publish resources

Publications and Online Resources:
– Official journal is Taxon
– Medium for proposals on plant names and nomenclature
– Regnum Vegetabile series includes useful volumes
– International Code of Nomenclature for algae, fungi, and plants
– Index Herbariorum provides directory of world herbaria

Regnum Vegetabile:
– Series of books on plant taxonomic topics
– Includes rules for plant names and cultivars
– Index Nominum Genericorum lists published generic names
– Index Herbariorum is a guide to world herbaria
– International Directory of Botanical Gardens is updated directory

– Maintain Names in Current Use database
– Contains scientific names of extant botanical genera

– Engler Medals in Gold and Silver established in 1986
– Gold medal awarded every six years for contributions to plant taxonomy
– Silver medal awarded for outstanding publications in plant systematics
– Medals honor Adolf Engler, Frans Antonie Stafleu, and George Ledyard Stebbins, Jr.

– Retrieved from IAPT website
– Strategic Plan available in PDF
Taxon journal reference
– Names in Current Use database reference
– Awards presented by IAPT reference

The International Association for Plant Taxonomy (IAPT) is an organization established to promote an understanding of plant biodiversity, facilitate international communication of research between botanists, and oversee matters of uniformity and stability in plant names. The IAPT was founded on July 18, 1950, at the Seventh International Botanical Congress in Stockholm, Sweden. The IAPT headquarters is located in Bratislava, Slovakia. Its president, since 2017, is Patrick S. Herendeen of the Chicago Botanic Garden; vice-president is Gonzalo Nieto Feliner of the Real Jardín Botánico, Madrid; and secretary-general is Karol Marhold of the Plant Science and Biodiversity Centre, Slovak Academy of Sciences, Bratislava.

International Association for Plant Taxonomy
FormationJuly 18, 1950
HeadquartersBratislava, Slovakia
Patrick S. Herendeen

Both the taxonomic journal Taxon and the series Regnum Vegetabile are published by the IAPT. The latter series includes the International Code of Nomenclature for algae, fungi, and plants, Index Nominum Genericorum, and Index Herbariorum.

« Back to Glossary Index