Links
- www.canopyaccess.co.uk – Canopy Access
- www.forestry.gov.uk/westonbirt - The National Arboretum, Westonbirt
- www.fowa.org.uk – The Friends of Westonbirt
- www.forestry.gov.uk/bedgebury - The National Pinetum, Bedgebury
- www.kew.org – Royal Botanic Gardens, Kew
- www.kew.org/msbp/index.htm - Millennium Seed Bank Project
- www.treeworker.co.uk - Leading arboricultural equipment stockist
- www.trees.uk.com - Arboricultural consultancy