1. Universidad Complutense de Madrid; Departamento de Biología Vegetal II, Facultad de Farmacia; Plaza de Ramón y Cajal s/n, Madrid 28040 Spain
2. FB Biologie, Molecular Phylogenetics; 13/276, TU Kaiserslautern, Postfach 3049, Kaiserslautern 67653 Germany
3. Instituto Nacional del Consumo; Unidad de Bioanálisis, Centro de Investigación y Control de calidad; Avda Cantabria s/n Madrid 28042 Spain
4. Department of Chemistry; Australian National University; P.O. Box 4, Canberra, A.C.T. 0200 Australia
5. Department of Biological Sciences Dept North Dakota State University; 2715, PO Box 6050 Fargo, North Dakota 58108-6050 U.S.A.
6. Universidad Rey Juan Carlos; Área de Biodiversidad y Conservación; c/ Tulipán s/n., 28933 Móstoles (Madrid) Spain
7. Swedish Museum of Natural History; Cryptogamic Botany; P.O. Box 50007, Stockholm 104 05 Sweden
8. Helsinki University; Botanical Garden and Museum, Finnish Museum of Natural History; P.O. Box 7 00014 Finland
9. ABL Herbarium; G.v.d. Veenstraat 107, 3762 XK, Soest Netherlands
10. Universitat de València; Department of Botany, Fac. of Biology; ICBIBE, C/ Dr. Moliner 50, Burjassot (Valencia) 46100 Spain
11. Charles Darwin Foundation for the Galapagos Islands; Av. 6 de Diciembre N 36-109 y Pasaje California, Post Box 17-01-3891, Quito Ecuador
12. Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA, CONICET-UNComahue); Quintral 1250, R8400 FRF, San Carlos de Bariloche, Río Negro Argentina
13. Anadolu University; Department of Biology, Faculty of Science; Eskişehir Turkey
14. 2017 Thure Ave., St. Paul; Minnesota 55116 U.S.A.
15. National Botanic Garden of Belgium; Department of Bryophytes-Thallophytes, Domaine de Bouchout; 1860 Meise Belgium
16. University of Connecticut; Ecology and Evolutionary Biology; 75 North Eagleville Road, Storrs, Connecticut 06269-3043 U.S.A.
17. National Botanical Research Institute (CSIR); Rana Pratap Marg, Lucknow, Uttar Pradesh 226001 India
18. University of Bergen; Museum of Natural History; Box 7800, Bergen 5020 Norway
19. The Field Museum; Department of Botany; 1400 S. Lake Shore Drive, Chicago, Illinois 60605 U.S.A
20. Duke University; Department of Biology; Box 90338, Durhamm, North Carolina 27708 U.S.A.
21. Södertörns University; School of Life Sciences; 141 89 Huddinge Sweden
22. University of Manitoba; Department of Botany; Winnipeg, Manitoba R3T 2N2 Canada
23. Freie Universität Berlin; Botanischer Garten und Botanisches Museum Berlin-Dahlem; Königin-Luise-Straße 6-8, Berlin 14195 Germany
24. Biodiversity and Climate Research Centre BiK-F; Senckenberganlage 25, Frankfurt am Main 60325 Germany
25. Karl-Franzens-University Graz; Institute for Plant Sciences; Holteigasse 6, 8010 Graz Austria
26. Lund University; Dept. of Systematic Botany; Östra Vallgatan 18-20, 223 61 Lund Sweden
27. Swedish University of Agricultural Sciences; Department of Ecology; Box 7044, Uppsala 750 07 Sweden