International Organization for Plant Information

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The International Organization for Plant Information (IOPI) is an international organization founded on September 20, 1991.{{Cite web|url=http://www1.biologie.uni-hamburg.de/b-online/ibc99/iopi/iopigral.html|title=International Organization for Plant Information|website=www1.biologie.uni-hamburg.de|access-date=2019-07-22}} It runs a series of collaborative international projects aimed at establishing databases of plant classification information and is a committee of the International Union of Biological Sciences.{{Cite web|url=http://www1.biologie.uni-hamburg.de/b-online/ibc99/iopi/iopihome.html|title=International Organization for Plant Information|website=www1.biologie.uni-hamburg.de|access-date=2019-07-22}}

The Global Plant Checklist was its first objective is to provide a list of all plants by merging data from existing sources. This required development of data standards as well as international co-operation, starting in 1993.{{cite web |title=Global Plant Checklist: Data Definitions |url=http://www1.biologie.uni-hamburg.de/b-online/ibc99/iopi/iopidds2.html |website=IOPI |access-date=28 April 2020}}

Later aims included the Species Plantarum Project to record taxonomic information about all the vascular plants in the world.{{cn|date=October 2023}}

Its dataset was later incorporated into the [http://www.catalogueoflife.org/ Catalogue of Life].