1. Evolution and Conservation Biology, InBIOS Research Center University of Liège Quartier Vallée 1, Chemin de la Vallée 4 4000 Liège Belgium
2. Department of Ecology and Evolutionary Biology, 75 Northeagleville Road University of Connecticut Storrs Connecticut 06269‐3043 U.S.A.
3. CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany Chinese Academy of Sciences P.R. China
4. Department of Biological Sciences, CW405 University of Alberta Edmonton AB T6G 2R3 Canada
5. UBC Herbarium, Beaty Museum University of British Columbia Vancouver BC V6T 1Z4 Canada
6. Institute of Biology Komi Science Center UrD RAS Kommunisticheskaya Street 28 Syktyvkar Russian Federation
7. Siberian Federal University Fundamental Biology and Biotechnology Department Svobodnii St. 79 Krasnoyarsk 660041 Russian Federation
8. Universidad Distrital Francisco José de Caldas Cra. 4 No. 26D‐54, Torre de Laboratorios Herbario Bogotá D.C. Colombia
9. Negaunee Integrative Research Center The Field Museum 1400 South Lake Shore Chicago Illinois 60605 U.S.A.
10. Botanischer Garten Freie Universität Berlin Königin‐Luise‐Straße 6–8 14195 Berlin Germany