1. Departamento de Ciencias de la Vida, Facultad de Ciencias Universidad de Alcalá E‐28805 Alcalá de Henares Spain
2. Research Network in Biodiversity and Evolutionary Biology, Research Centre in Biodiversity and Genetic Resources (InBIO‐CIBIO) Universidade do Porto PT4485‐661 Vairão Portugal
3. Faculdade de Ciências Universidade do Porto PT4169‐007 Porto Portugal
4. College of Agriculture, Polytechnic Institute of Coimbra 3045‐601 Coimbra Portugal
5. Centre for Applied Ecology “Prof. Baeta Neves” (InBIO‐CEABN), School of Agriculture University of Lisbon PT1349‐017 Lisbon Portugal
6. Department of Botany and Biodiversity Research University of Vienna 1030 Vienna Austria
7. School of Ecosystem and Forest Sciences, Faculty of Science The University of Melbourne Richmond Victoria 3121 Australia
8. Department of Integrative Ecology Estación Biológica de Doñana (EBD‐CSIC) E‐41092 Sevilla Spain
9. Landcare Research Lincoln 7640 New Zealand
10. Grupo de Ecología de Invasiones, INIBIOMA Universidad Nacional del Comahue, CONICET Avenida de los Pioneros 2350 San Carlos de Bariloche Río Negro Argentina
11. Department of Biology University of Hawai'i at Hilo Hilo HI 96720 U.S.A.
12. University of Göttingen 37073 Göttingen Germany
13. IASMA Research and Innovation Centre, Fondazione Edmund Mach 38010 Trento Italy
14. MOUNTFOR Project Centre, European Forest Institute 38010 Trento Italy
15. Centre for Functional Ecology, Department of Life Sciences University of Coimbra 3000‐456 Coimbra Portugal
16. The University of Queensland, School of Biological Sciences Brisbane Queensland 4072 Australia
17. CSIRO Land and Water, Ecosciences Precinct Dutton Park Queensland 4102 Australia
18. CREA Research Centre for Foresty and Wood, Viale Santa Margherita 80 52100 Arezzo Italy
19. Department of Ecology and Evolutionary Biology University of California Santa Cruz CA 95060 U.S.A.
20. Centre for Invasion Biology, Department of Botany and Zoology Stellenbosch University Matieland 7602 South Africa
21. USDA Forest Service, Institute of Pacific Islands Forestry Hilo HI U.S.A.
22. French Associates Institute for Agriculture and Biotechnology of Drylands. Blaustein Institutes for Desert Research Ben Gurion University of the Negev Beersheba 84990 Israel
23. Faculty of Environmental Sciences and Natural Resource Management Norwegian University of Life Sciences Ås Norway
24. CSIRO Land & Water Wembley Western Australia 6913 Australia
25. School of Biological Sciences University of Western Australia Crawley Western Australia 6009 Australia
26. Faculty of Forestry and Wood Technology Mendel University in Brno 613 00 Brno‐sever Czech Republic
27. Siberian Federal University, Krasnoyarsk Krasnoyarsk 660041 Russia
28. Laboratory of Applied Ecology, CITAB – Centre for the Research and Technology of Agro‐Environment and Biological Sciences University of Trás‐os‐Montes e Alto Douro Vila Real Portugal
29. Natural Resources Institute Finland (Luke) FI‐00791 Helsinki Finland
30. Setor de Ecologia, Departamento de Biologia Universidade Federal de Lavras Lavras MG 37200‐000 Brazil
31. Departamento de Biología, Facultad de Cc. del Mar y Ambientales Instituto Universitario de Investigación Marina (INMAR), Campus de Excelencia Internacional del Mar CEIMAR, Universidad de Cádiz E‐11510 Puerto Real Spain