1. Biodiversity, Macroecology and Biogeography Group, Univ. of Goettingen Goettingen Germany
2. Geography Dept, Humboldt Univ. of Berlin Berlin Germany
3. Ecology and Macroecology Group, Inst. for Biochemistry and Biology, Univ. of Potsdam Potsdam Germany
4. Ecology, Dept of Biology, Univ. of Konstanz Konstanz Germany
5. Dept of Biosciences, Durham Univ. Durham UK
6. Division of Conservation Biology, Vegetation and Landscape Ecology, Dept of Botany and Biodiversity Research, Univ. of Vienna Wien Austria
7. Centre for Invasion Biology, Dept of Botany and Zoology, Stellenbosch Univ. Matieland South Africa
8. Czech Academy of Sciences, Inst. of Botany, Dept of Invasion Ecology Průhonice Czech Republic
9. Dept of Ecology, Faculty of Science, Charles Univ. Prague Czech Republic
10. Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou Univ. Taizhou P. R. China
11. German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐Leipzig Leipzig Germany
12. Conservatoire et Jardin botaniques de la Ville de Genève Genève Switzerland
13. Naturalis Biodiversity Centre, Leiden, Netherlands and Wageningen Univ., Biosystematics Group Wageningen Netherlands
14. Botanical Garden‐Inst. of the Far Eastern Branch of the Russian Academy of Sciences Vladivostok Russia
15. Centre of Biodiversity and Sustainable Land Use (CBL), Univ. of Goettingen Göttingen Germany