1. Department of Environmental Biology Sapienza University of Rome Rome Italy
2. Institute of Geography, CEN – Center for Earth System Research and Sustainability University of Hamburg Hamburg Germany
3. Cuyahoga County Board of Health Parma Ohio USA
4. Department of Soil, Crop and Climate Science University of the Free State Bloemfontein South Africa
5. Institute of Biology/Geobotany and Botanical Garden Martin Luther University Halle‐Wittenberg Halle Germany
6. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
7. Department of Botany and Zoology Faculty of Science Masaryk University Brno Czech Republic
8. Institute of Botany of the Czech Academy of Sciences Průhonice Czech Republic
9. Department of Botany Faculty of Science University of South Bohemia České Budějovice Czech Republic
10. Biodiversity, Evolution and Ecology of Plants Institute of Plant Science and Microbiology University of Hamburg Hamburg Germany
11. Department of Plant Systematics University of Bayreuth Bayreuth Germany
12. Department of Systematic and Evolutionary Botany University of Zurich Zurich Switzerland
13. Central Siberian Botanical Garden Siberian Branch Russian Academy of Sciences Novosibirsk Russia
14. UR “Ecologie et Dynamique des Systèmes Anthropisés” (EDYSAN, UMR 7058 CNRS‐UPJV) Université de Picardie Jules Verne Amiens France
15. Department of Geographical & Sustainability Sciences University of Iowa Iowa City Iowa USA
16. Naturalis Biodiversity Center Leiden The Netherlands
17. Instituto Científico Michael Owen Dillon Cercado, Arequipa Perú
18. Escuela Profesional de Ingeniería Ambiental Universidad Nacional de MoqueguaPacocha Moquegua Peru
19. Department of Botany and Biodiversity Research University of Vienna Vienna Austria
20. Botanical Garden – Center for Biological Diversity Conservation Polish Academy of Sciences Warszawa Poland
21. Institute of Biology University of Opole Opole Poland
22. Department of Biology University of North Carolina Chapel Hill North Carolina USA
23. Department of Civil and Environmental Engineering University of the Andes Bogota Colombia
24. Institute of Botany, Plant Science and Biodiversity Centre Slovak Academy of Sciences Bratislava Slovakia
25. Department of Botany Charles University Prague Czech Republic
26. Department of Plant and Fungal Diversity and Resources Institute of Biodiversity and Ecosystem Research Bulgarian Academy of Sciences Sofia Bulgaria
27. Department of Physiological Diversity Helmholtz Center for Environmental Research – UFZ Leipzig Germany
28. Department of Ecology and Genetics University of Oulu Oulu Finland
29. Manaaki Whenua – Landcare Research Lincoln New Zealand
30. Research Unit of Biodiversity (CSUC/UO/PA) University of Oviedo Mieres Spain