1. Data from: Variability in commercial demand for tree saplings affects the probability of introducing exotic forest diseases;Alonso Chavez V.;Dryad Digital Repository,2018
2. The biosecurity threat to the UK and global environment from international trade in plants
3. Quarantine is important in restricting the spread of exotic seed‐borne tree pathogens in the southern hemisphere;Burgess T.;International Forestry Review,2002
4. CONFOR. (2013).A Douglas consultancy for CONFOR – Chalara Ash Dieback and Dothistroma needle blight.
5. DEFRA. (2013).Government forestry and woodlands policy statement.London UK. Retrieved fromhttps://www.gov.uk/government/publications/government-forestry-policy-statement