1. Department of Biosciences Durham University Durham UK
2. UK Centre for Ecology & Hydrology Crowmarsh Gifford UK
3. Research Institute for Nature and Forest (INBO) Herman Teirlinckgebouw Brussels Belgium
4. Scottish Association for Marine Science Scottish Marine Institute Oban UK
5. SWCA Environmental Consultants Honolulu Hawaii USA
6. GB Non‐Native Species Secretariat Animal and Plant Health Agency York UK
7. Fera Science Limited York UK
8. Joint Services Health Unit, British Forces Cyprus Nicosia Cyprus
9. The Cyprus Institute Nicosia Cyprus
10. Marine Research Institute Klaipėda University Klaipėda Lithuania
11. Marine Organism Investigations Co Clare Ireland
12. Environment Agency Austria Vienna Austria
13. Department of Biology University of Florence Sesto Fiorentino Italy
14. UK Centre for Ecology & Hydrology Lancaster Environment Centre Lancaster UK
15. British Antarctic Survey NERC Cambridge UK
16. Ascension Island Government Ascension Island South Atlantic Ocean
17. Gibraltar Botanic Gardens Campus, ‘The Alameda’ University of Gibraltar Gibraltar Gibraltar
18. Department of Environment Cayman Islands Government Grand Cayman Cayman Islands
19. Institute of Zoology Zoological Society of London London UK
20. Department of Environment and Natural Resources Government of Bermuda Hamilton Parish Bermuda
21. Natural Sciences and Environment Hub, Research Office University of Gibraltar, Europa Point Campus Gibraltar Gibraltar
22. St Helena National Trust Jamestown South Atlantic Ocean
23. Institute of Aquatic Ecology University of Girona Girona Spain
24. Gibraltar Botanic Gardens Gibraltar Gibraltar
25. Department of Forest Engineering, ERSAF University of Cordoba Córdoba Spain
26. CABI Egham UK
27. UK Centre for Ecology and Hydrology Penicuik UK
28. Island Conservation Santa Cruz California USA
29. U.S. Navy Support Facility Diego Garcia Diego Garcia British Indian Ocean Territory
30. Government of South Georgia & the South Sandwich Islands Government House Stanley Falkland Islands
31. Field Centre, Jews’ Gate Gibraltar Ornithological & Natural History Society Gibraltar Gibraltar
32. Dart Family Park Grand Cayman Cayman Islands
33. Department of Environment and Coastal Resources National Environmental Centre Providenciales Turks and Caicos Islands
34. Government of Tristan da Cunha Edinburgh of the Seven Seas Tristan da Cunha
35. Department of Life Sciences University of Siena Siena Italy
36. Secretariat of the Pacific Regional Environment Programme Apia Samoa
37. Verdant Isle Orchid Research Grand Cayman Cayman Islands
38. School of Life Sciences University of Sussex Brighton UK
39. Medical Entomology UK Health Security Agency Salisbury UK
40. Department of the Environment HM Government of Gibraltar Gibraltar Gibraltar
41. Laboratorio Ecotono INIBIOMA‐CONICET – Universidad Nacional del Comahue San Carlos de Bariloche Argentina