1. Department of Botany and Biodiversity Research; Division of Conservation, Vegetation and Landscape Ecology; University of Vienna; Rennweg 14 1030 Vienna Austria
2. Centre for Invasion Biology; Stellenbosch University; Private Bag Matieland 7602 South Africa
3. Georgikon Faculty; Institute for Plant Protection; University of Pannonia; Deák F.str. 16 8361 Keszthely Hungary
4. Institute for Plant Biology; Technical University Braunschweig; Mendelsohnstraße 4 38106 Braunschweig Germany
5. Department of Ecology & Evolution; University of Lausanne, Biophore; 1015 Lausanne Switzerland
6. NERC Centre for Ecology & Hydrology; Benson Lane Wallingford Oxfordshire OX10 8BB UK
7. NERC Centre for Ecology & Hydrology; Bush Estate Edinburgh EH26 0QB UK
8. INRA, UMR1347; Agroécologie 21000 Dijon France
9. Vienna Institute for Nature Conservation & Analyses; Giessergasse 6/7 1090 Vienna Austria
10. Université Blaise-Pascal, UMR547 PIAF, BP 10448; Clermont Université; 63000 Clermont-Ferrand France
11. INRA, UMR547 PIAF; 63100 Clermont-Ferrand France
12. Institute of Earth Surface Dynamics; University of Lausanne, Geopolis; 1015 Lausanne Switzerland
13. Institute of Botany; University of Natural Resources and Life Sciences Vienna; Gregor Mendel Street 33 1180 Vienna Austria
14. Department of Plant Production and Plant Protection; Institute of Plant Science, Faculty of Agricultural and Environmental Sciences, Kaposvár University; Guba S. str. 40 7400 Kaposvár Hungary
15. Institute of Integrative Biology; ETH Zürich; Universitätsstrasse 16 8092 Zürich Switzerland
16. Université de Bourgogne; UMR 1347, Agroecologie; AgroSup/INRA/uB, 17 rue Sully 21065 Dijon Cedex France
17. Ecole supérieure d'aménagement du territoire et de développement regional; Université Laval; Québec City QC G1V 0A6 Canada
18. Heinz Maier-Leibnitz-Zentrum; Technische Universität, München; Lichtenbergstraße 1 85747 Garching Germany
19. Department of Biology; Unit Ecology & Evolution; University of Fribourg; Chemin du Musée 10 1700 Fribourg Switzerland
20. Faculty of Physics; University Vienna; Boltzmanngasse 5 1090 Vienna Austria
21. CABI Switzerland; Chemin des Grillons 1 2800 Delémont Switzerland
22. Laboratory of Aeropalynology; Faculty of Biology; Adam Mickiewicz University; Poznań Poland
23. Julius Kuehn Institute; Federal Research Centre for Cultivated Plants; Institute for National and International Plant Health; Messeweg 11/12 38104 Braunschweig Germany
24. Laboratoire des Sciences du Climat et de l' Environnement; IPSL, CEA/CNRS/UVSQ; 91191 Gif sur Yvette Cedex France
25. Institute of Ecology; Technical University of Berlin; Rothenburgstrasse 12 12165 Berlin Germany
26. Austrian Agency for Health and Food Safety; Institute for Sustainable Plant Production; Spargelfeldstraße 191 1220 Vienna Austria