1. Centre for Ecology & Hydrology Wallingford OX10 8BB UK
2. Aquatic Ecology Group Department of Zoology University of Cambridge Cambridge CB2 3EJ UK
3. British Bugs 101 Crouch Hill London N8 9RD UK
4. Institute of Zoology Zoological Society of London Regent's Park London NW1 4RY UK
5. Centre for Invasion Biology Department of Botany and Zoology Stellenbosch University Stellenbosch South Africa
6. University of Bournemouth Poole BH12 5BB UK
7. Aquatic Invertebrates Division Department of Life Sciences The Natural History Museum Cromwell Road London SW7 5BD UK
8. Scottish Marine Institute Oban Argyll PA37 1QA UK
9. Centre for Agroecology and Food Security Coventry University Priory St Coventry CV1 5FB UK
10. PlantLife Uned 14 Llys Castan Parc Menai Bangor LL57 4FD UK
11. APEM Ltd. The Technopole Centre Midlothian EH26 0PJ UK
12. Department of Environment, Earth and Ecosystems The Open University Walton Hall Milton Keynes MK7 6AA UK
13. Marine Organism Investigations Killaloe Co Clare Ireland
14. British Trust for Ornithology Thetford IP24 2PU UK
15. Animal Health and Veterinary Laboratories Agency Sand Hutton, York YO41 1LZ UK
16. RHS Garden Wisley Nr Woking, Surrey GU23 6QB UK
17. The Marine Biological Association of the United Kingdom The Laboratory Citadel Hill, Plymouth Devon PL1 2PB UK
18. CABI E‐UK Bakeham Lane Egham, Surrey TW20 9TY UK
19. Centre for Environment, Fisheries and Aquaculture Science Barrack Road, The Nothe, Weymouth Dorset DT4 8UB UK
20. School of Life Sciences University of Sussex Falmer, Brighton BN1 9QG UK
21. Botanical Society of Britain and Ireland Natural History Museum Cromwell Road London SW7 5BD UK