1. Animal and Plant Health Agency Non‐Native Species Secretariat Sand Hutton York UK
2. Modelling, Evidence and Policy Group Newcastle University Newcastle upon Tyne UK
3. UK Centre for Ecology and Hydrology Wallingford UK
4. Research Institute for Nature and Forest (INBO), Wildlife Management and Invasive Species Brussels Belgium
5. CABI Science Centre Egham Surrey UK
6. Netherlands Food and Consumer Product Safety Authority, National Reference Centre Wageningen Netherlands
7. Natural Resources Wales, Maes y Ffynnon Bangor UK
8. Department of Agriculture, Forest and Food Sciences University of Turin Turin Italy
9. Institut Méditerranéen de Biodiversité et d’Ecologie Avignon UniversitéUMR CNRS IRD Aix Marseille Université Avignon France
10. Invasive Species Unit Service Public de Wallonie Wallonia Belgium
11. Department of Agriculture University of Sassari Sassari Italy
12. INVAS Biosecurity Stillorgan Co Dublin Ireland
13. Directorate for Natural Capital, Latium Region, Parks and Protected Areas Rome Italy
14. Biology Department Research Group Phycology Ghent University Ghent Belgium
15. Queen's University Belfast Belfast UK
16. Department of Environmental Science Centre for Environmental Research, Innovation and Sustainability Institute of Technology Ash Lane Sligo Ireland
17. Division of Conservation Biology Vegetation Ecology and Landscape Ecology University Vienna Vienna Austria
18. Entomology and Invasive Plants Unit Plant Health Laboratory Montferrier‐sur‐Lez France
19. Institute for Environmental Protection and Research (ISPRA), and Chair IUCN SSC Invasive Species Specialist Group Rome Italy
20. Department of Forest Engineering (ERSAF) University of Córdoba Córdoba Spain
21. School of Ocean Sciences Bangor University Anglesey UK
22. Royal Belgian Institute of Natural Sciences (RBINS) Oostende Belgium
23. University of Bern Bern Switzerland
24. Environment Agency UK
25. Environment Agency Austria Vienna Austria
26. International Union for the Conservation of Nature Gland Switzerland
27. Julius Kühn Institute Braunschweig Germany
28. APEM Ltd UK
29. Department for Environment, Food and Rural Affairs (Defra) UK
30. University of Florence Firenze Italy
31. Belgian Biodiversity Platform Louizalaan Brussels Belgium