1. Botany Area, Department of Molecular Biology and Biochemical Engineering Universidad Pablo de Olavide Ctra de Utrera km 1 sn Seville 41013 Spain
2. Natural History Museum University of Oslo P.O. Box 1172 Blindern Oslo 0318 Norway
3. Martin Luther University Halle‐Wittenberg Geobotany and Botanical Garden Am Kirchtor 3 Halle 06108 Germany
4. The Morton Arboretum 4100 Illinois Route 53 Lisle IL 60532 USA
5. The Field Museum 1400S Lake Shore Dr Chicago IL 60605 USA
6. University of Michigan Herbarium 3600 Varsity Dr Ann Arbor MI 48108‐2228 USA
7. School of Biological Sciences Washington State University Pullman WA 99164 USA
8. Moscow South‐West High School Moscow Russian Federation
9. Papanin Institute for Biology of Inland Waters RAS Borok Yaroslavl Region 152742 Russia
10. Faculty of Biosphere‐Geosphere Science Okayama University of Science Okayama 700‐0005 Japan
11. Department of Ecology and Conservation Biology Texas A&M University 534 John Kimbrough Blvd College Station TX 77943 USA
12. Department of Biology Universidad Autónoma de Madrid Campus Cantoblanco Madrid 28049 Spain