Royal Botanic Gardens, Kew

The organisation manages botanic gardens at Kew in Richmond upon Thames in south-west London, and at Wakehurst Place, a National Trust property in Sussex which is home to the internationally important Millennium Seed Bank, whose scientists work with partner organisations in more than 95 countries. Kew, jointly with the Forestry Commission, founded Bedgebury National Pinetum in Kent in 1923, specialising in growing conifers. In 1994, the Castle Howard Arboretum Trust, which runs the Yorkshire Arboretum, was formed as a partnership between Kew and the Castle Howard Estate.

In 2025, the organisation had 2,250,355 public visitors at Kew, and 433,216 at Wakehurst. Its 326-acre (132 ha) site at Kew has 40 historically important buildings; it became a UNESCO World Heritage Site in 2003. The collections at Kew and Wakehurst include over 27,000 taxa of living plants, 8.3 million plant and fungal herbarium specimens and over 2.4 billion seeds collected from nearly 40,000 species in the Millennium Seed Bank.

Mission

The Royal Botanic Gardens, Kew states that its mission is to apply scientific discovery and research to fully develop the information about and potential uses of plants and fungi.

A conference held in 1976 by the Royal Botanic Gardens, Kew was important as it established a co-ordinating body in order to determine which threatened plants are in cultivation and where they are located which played a role in plant conservation.

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Governance

Kew is governed by a board of trustees which comprises a chairman and eleven members. Ten members and the chairman are appointed by the Secretary of State for Environment, Food and Rural Affairs. The monarch appoints their own trustee on the recommendation of the secretary of state.

As of August 2026, the board members are:

Professor Sir Andrew Steer (chair)
Steve Almond
Judith Batchelar
Fay Cooke
Professor Christopher Gilligan (HM The King's Trustee)
Professor Ian Graham
Sarah Greasley
Dame Dervilla Mitchell
Sir Paul Nurse
Dr Fiona Pathiraja
Kate Priestman
David Richardson
Professor Dame Angela McLean (Independent Board Member)

Kew Science

Scientific staff

More than 470 scientists work for the Royal Botanic Gardens, Kew. The executive director of science is Alexandre Antonelli. The directors are Elizabeth Gardner, Paul Kersey and Alan Paton.

Kew Science staff include those of the Kew Madagascar Conservation Centre.

Databases

The scientific staff at Kew maintain a variety of plant and fungal data and digital resources, including those listed below.

Plants of the World Online

Plants of the World Online is an online database launched in March 2017 as one of nine strategic outputs with the ultimate aim being "to enable users to access information on all the world's known seed-bearing plants by 2020". It links taxonomic data with images from the collection, to provide a single point of access with information on identification, distribution, traits, conservation, molecular phylogenies and uses.

International Plant Names Index

The International Plant Names Index (IPNI) includes information from the Index Kewensis, a project which began in the 19th century to provide an "Index to the Names and Authorities of all known flowering plants and their countries". The Harvard University Herbaria and the Australian National Herbarium co-operate with Kew in the IPNI database, which was launched in its present form in 1999 to produce an authoritative source of information on botanical nomenclature including publication details of seed plants, ferns and lycophytes. It is a nomenclatural listing of all published taxonomic plant names including new species, new combinations and new names at rank of botanical family down to infraspecific. It provides data for other related projects including Tropicos and the Global Biodiversity Information Facility (GBIF).

Neotropikey

Neotropikey is an international project, based at Kew Gardens, on the flowering plants of the Neotropics (tropical South and Central America).

World Checklist of Selected Plant Families

The World Checklist of Selected Plant Families (WCSP) is a register of accepted scientific names and synonyms of 200 selected seed plant families. WCSP is widely used, and most authoritative web resources on plants use it as their basis.

World Checklist of Vascular Plants

The World Checklist of Vascular Plants (WCVP) includes all known vascular plant species (flowering plants, conifers, ferns, clubmosses, and firmosses). It is derived from the WCSP and the IPNI and therefore only includes names found in those databases. It is the taxonomic database for Plants of the World Online. Since WCSP includes only selected families, WCVP will seek to complete the process.

World Checklist of Useful Plant Species

The World Checklist of Useful Plant Species lists 40,292 species, including nine non-plant taxa (e.g. nostoc, forkweed, brown algae), compiled from multiple pre-existing datasets.

Collaborative projects

The Plant List and World Flora Online

Kew also cooperated with the Missouri Botanical Garden and other international bodies in The Plant List (TPL). Unlike the IPNI, it provided information on which names are currently accepted. The Plant List was an Internet encyclopedia project which was launched in 2010 to compile a comprehensive list of botanical nomenclature. The Plant List had records for 1,064,035 scientific names for plant species, representing 350,699 accepted plant species. In addition, the list had records for 642 plant families and 17,020 plant genera. It was last updated in 2013, and was superseded by World Flora Online, which was developed as its successor in 2012, aiming to include all known plants by 2020.