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The Hortus botanicus, with its large collection of living plants and extensive expertise in the botanical field, has a great deal to offer to other partners both within and apart from Leiden University.

Naturalis Biodiversity Centre

The Naturalis Biodiversity Centre (NBC) is one of the largest natural history museums in the world, housing the Nationaal Herbarium Nederland (NHN). Researchers of the NBC are welcome guests in our Hortus and we work together closely on both research and education.

Also, our collections are registered in a collection registration system developed in Oxford: BRAHMS (Botanical Research and Herbarium Management System). A separate module has been developed for botanical gardens. It is now being used and further developed in the botanical gardens of Oxford and Leiden. For research purposes, the collection will soon be available online.

Every plant (accession) has its own file, which is being kept as up-to-date and accurate as possible. The more we know of this plant and its origin, the more value it has for scientific research. We strive to house as many different plants as possible from known wild origins in our collection.

Dutch Botanical gardens

The Dutch botanical gardens cooperate in various ways within the Dutch Association of Botanical Gardens (NVBT). Staff from all the botanical gardens regularly meet to exchange expertise and set up united projects.

A large portion of our collection, such as the orchids, cycads and ferns, are a part of the National Plant collection, managed by the Stichting Nationale Plantencollectie (SNP). Historical collections such as the Clusius Garden and the original Von Sieboldplants are included in this collection. The SPN is the official government partner in the care of confiscated plants.

European network

Following the initiative of the German speaking botanical gardens in Europe, a large network to exchange materials has arisen: the International Plant Exchange Network (IPEN). Botanical gardens work together in the European Botanic Gardens Consortium. There are roughly 800 botanical gardens in Europe alone.

Global network

Botanical gardens from all over the world are cooperating in the Botanic Gardens Conservation International (BGCI), who organises congresses and activities.

Another important partner in the preservation of nature around the globe is the International Union for Conservation of Nature (IUCN), who are attracting as many people and organisations as possible. They also maintain a global list of endangered species called the IUCN Red List.

Partners:

  • Royal Botanic Gardens Edinburgh (Flora of Thailand, Flora of Indochina). 
  • Pha Tad Ke Botanical Garden in Luang Prabang, Laos (wetenschappelijk advies).
  • Nong Nooch Garden Thailand (Cycadales).
  • Kebun Raya Bogor (Orchidaceae, Amorphophallus).
  • University of Hongkong (Annonaceae).
  • Vietnam Forestry University (Inventory and medicinal plants)
  • Royal Botanic Gardens Kew (Orchidaceae).
  • Botanic garden of Padua, Italy (scientific advice)
  • Botanischer Garten Wien (History of the Hortus botanicus Leiden).
  • New York Botanical Garden (Cycadales).
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