1. Department of Biological Sciences Macquarie University Sydney NSW 2109 Australia
2. USDA‐ARS Water Management Research 2150 Center Ave, Build D, Suite 320 Fort Collins CO 80526 USA
3. Institute of Systematic Botany and Ecology Ulm University Albert‐Einstein‐Allee 11 89081 Ulm Germany
4. Hawkesbury Institute for the Environment Western Sydney University Richmond NSW 2753 Australia
5. Department of Renewable Resources University of Alberta Edmonton AB T6G 2E3 Canada
6. Department of Biology California State University Bakersfield CA 93311 USA
7. Department of Biology Haverford College 370 Lancaster Avenue Haverford PA 19041 USA
8. School of Biological Sciences University of Tasmania Hobart Tasmania 7001 Australia
9. Grupo de Estudios Biofísicos y Eco‐fisiológicos (GEBEF) Universidad Nacional de la Patagonia San Juan Bosco 9000 Comodoro Rivadavia Argentina
10. Plant Ecophysiology and Evolution Group State Key Laboratory for Conservation and Utilization of Subtropical Agro‐Bioresources, and College of Forestry Guangxi University Daxuedonglu 100 Nanning Guangxi 530004 China
11. INRA UMR547 PIAF F‐63100 Clermont‐Ferrand France
12. Clermont Université Université Blaise Pascal UMR547 PIAF F‐63000 Clermont‐Ferrand France
13. INRA University of Bordeaux UMR BIOGECO F‐33450 Talence France
14. Bordeaux Sciences AGRO UMR1391 ISPA INRA 1 Cours du général de Gaulle 33175 Gradignan Cedex France
15. Nicholas School of the Environment Duke University Durham NC 27708 USA
16. Key Laboratory of Tropical Forest Ecology Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences Mengla Yunnan 666303 China
17. School of Marine and Tropical Biology James Cook University Townsville Qld 4811 Australia
18. Department of Forest, Rangeland and Fire Sciences University of Idaho Moscow ID 83844 USA
19. Naturalis Biodiversity Center Leiden University PO Box 9517 2300RA Leiden the Netherlands
20. Department of Integrative Biology University of Guelph Guelph Ontario N1G2W1 Canada
21. CREAF Cerdanyola del Vallès E‐08193 Barcelona Spain
22. ICREA at CREAF Cerdanyola del Vallès E‐08193 Barcelona Spain
23. Department of Botany University of Innsbruck Sternwartestr. 15 6020 Innsbruck Austria
24. Department of Botany University of Wisconsin‐Madison Madison WI 53705 USA
25. School of GeoSciences University of Edinburgh Crew Building West Mains Road Edinburgh EH9 3FF UK
26. CSIRO Land and Water Flagship Sandy Bay Tasmania 7005 Australia
27. Dipartimento Scienze della Vita Università Trieste Via L. Giorgieri 10 34127 Trieste Italy
28. Department of Ecology and Evolutionary Biology University of California Santa Cruz CA 95064 USA
29. Department of Biology University of Utah 257S 1400E Salt Lake City UT 84112 USA
30. Department of Biological Sciences George Washington University Science and Engineering Hall 800 22nd Street NW, Suite 6000 Washington DC 20052 USA