1. The Bio-Protection Research Centre; Lincoln University; Canterbury New Zealand
2. Department of Agriculture; University of Sassari; Sassari Italy
3. Laboratoire d'Écologie Alpine (LECA); University of Grenoble Alpes; Grenoble France
4. Laboratoire d'Écologie Alpine (LECA); CNRS; Grenoble France
5. Centre for Agroecology, Water and Resilience; Coventry University; Coventry UK
6. Department of Botany and Biodiversity Research; University Vienna; Vienna Austria
7. Centre for Ecology and Conservation; University of Exeter Penryn Campus; Cornwall UK
8. CABI; Egham UK
9. Botanic Garden Meise; Meise Belgium
10. Institute of Integrative Biology; Department of Environmental Systems Science; ETH Zurich; Zurich Switzerland
11. Centre for Invasion Biology; Department of Botany and Zoology; Stellenbosch University; Matieland South Africa
12. Department of Community Ecology; Helmholtz Centre for Environmental Research - UFZ; Halle Germany
13. Martin-Luther-University Halle-Wittenberg; Halle Germany
14. Ecology; Department of Biology; University of Konstanz; Konstanz Germany
15. Invasive Species Programme; South African National Biodiversity Institute; Kirstenbosch Research Centre; Claremont South Africa
16. Institute of Botany; Department of Invasion Ecology; The Czech Academy of Sciences; Průhonice Czech Republic
17. Department of Ecology; Faculty of Science; Charles University; Prague Czech Republic
18. Senckenberg Biodiversity and Climate Research Centre; Frankfurt Germany
19. European and Mediterranean Plant Protection Organization; Paris France
20. Environment Department; University of York; York UK
21. Institute for Science, Innovation and Society; Radboud University; Nijmegen The Netherlands
22. Netherlands Centre of Expertise for Exotic Species; Nijmegen The Netherlands