Botanical gardens in Belgium

• Arboretum Bokrijk
• Arboretum de Marche
• Arboretum Het Leen
• Arboretum Heverleebos
• Arboretum Hof ter Saksen
• Arboretum Kalmthout
• Arboretum Robert Lenoir
• Arboretum van Groenendaal
• Botanic Garden of the University of Ghent
• Botanic Garden Jean Massart
• Botanic Garden Leuven
• Den Botaniek Plantentuin Antwerpen
• Domein Groenenberg
• Geographic Arboretum of Tervuren
• Kina: Tuin
• Meise Botanic Garden
• Museumtuin Gaasbeek
• Observatoire du Monde des Plantes, Liège
• Park Vordenstein
• Plantentuin 'De Kleine Boerderij' Merksplas
• Provinciaal Domein Het Leen
• Provinciaal Groendomein Rivierenhof
• Provinciaal Groendomein Vrijbroekpark
• Rotstuin Bloemendal
• Rozentuin Coloma
• Zoo Antwerpen

• Botanical Collections

Institutes and organizations

• ArbNet
• Belgische Dendrologie Belge
• Botanic Gardens Conservation International (BGCI)
• Fondation Franklinia
• International Dendrology Society (IDS)
• International Oak Society
• Magnolia Society International
• Open Tuinen - Jardins Ouverts
• The Maple Society
• The Rhododendron, Camellia & Magnolia Group of the RHS
• Vereniging van Botanische Tuinen en Arboreta (V.B.T.A.) (Association of Botanical Gardens and Arboreta)

Databases

• American Rhododendron Society Database
• Angiosperm Phylogeny Website
• Flora Online (China, North America, Pakistan, Ecuador...)
• Germplasm Resources Information Network
• Global Tree Portal (BGCI)
• Gymnosperm Database
• International Association for Plant Taxonomy (IAPT)
• International Plant Names
• List of Names of Woody Plants and Perennials
• Missouri Botanical Garden's VAST (VAScular Tropicos) nomenclatural database and associated authority files
• Monumental trees
• Plantenvinder voor de Lage Landen (Plantago)
• Plants of the World Online (POWO)
• RHS Plant Finder
• Rhododendronforeningen (Danish Chapter of the American Rhododendron Society)
• The Tree Library
• The Tree Register
• Threatened conifers of the world
• Trees and Shrubs Online
• WFO: The World Flora Online