Botanic Gardens Conservation International  
   An international clearing house mechanism for botanic gardens, based in Surrey.
   http://www.bgci.org.uk/

Arboricultural Information Exchange.  
   The AIE site has news, links and collections of resources for arboriculture.
   http://www.aie.org.uk/

Native Woodlands  
   An educational site about woodlands and why native trees are so important to our ecology, of interest to young and old.
   http://www.nativewoodlands.co.uk

Economic Botany at Kew  
   A useful set of web links to research, information, collections and educations sites. Based at the RBG Kew website.
   http://www.rbgkew.org.uk/scihort/ecbot.html

Wye College National Fruit Collections  
   The UK National Fruit Collection maintains the genetic stock of cultivated top and bush fruit.
   http://www.nfc.u-net.com/

HDRA - Heritage Seed Library  
   The Heritage Seed Library aims to conserve as much biodiversity as it can and make as many varieties of vegetables available as possible.
   http://www.hdra.org.uk/hsl.htm

Top Trees UK - Register of Notable Trees  
   Free searchable register of notable UK trees with photo galleries.
   http://www6.brinkster.com/toptrees/

National Council for the Conservation of Plants and Gardens  
   Organises and coordinates the conservation and preservation of plants in national collections. Information on collections, local groups, news and events.
   http://www.nccpg.com/

Horticulture Research International  
   Principal UK organisation tasked with carrying out horticultural research and development (R&D) and transferring the results to industry. Site provides details of research across horticultural sectors.
   http://www.hri.ac.uk/

Frontpage for Trees  
   An informational resource for urban and garden trees, including details of fungi and mycorhizza.
   http://www.webmesh.co.uk/frame1.htm

People and Plants Online  
   The People and Plants Initiative, involving WWF, UNESCO, and Kew Gardens, working on applied research projects, community workshops, exchanges and training courses with young ethnobotanists.
   http://www.kew.org/peopleplants/