1. Convener, Intermountain Herbarium, Utah State University, Logan, Utah 84322-5305, U.S.A;, Email: mary.barkworth@gmail.com
2. Secretary, Herbarium, Royal Botanic Garden, Edinburgh EH3 5LR, Scotland, U.K
3. Missouri Botanical Garden, P.O. Box 299, Saint Louis, Missouri 63166-0299, U.S.A.; Herbarium, Botany Department, Department of Science and Education, Field Museum of Natural History, 1400 S. Lake Shore Drive, Chicago, Illinois
60605-2496, U.S.A
4. Science Directorate, Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, U.K
5. The Herbarium, Forest Biodiversity Division, Forest Research Institute Malaysia, 52109 Kepong, Selangor, Malaysia
6. Department of Palaeontology, National Museum, Prague, Václavské náměstí 68, 115 79, Praha 1, Czech Republic
7. Missouri Botanical Garden, P.O. Box 299, Saint Louis, Missouri 63166-0299, U.S.A
8. Hacettepe Üniversitesi, Faculty of Science, Department of Botany, 06800 Ankara, Turkey
9. National Institute of Carpology (Gaertnerian Institution), 21 Konenkowa Street, 127560, Moscow, Russian Federation
10. Herbarium Senckenbergianum Frankfurt/Main, Senckenberg Forschungsinstitut und Naturmuseum, Senckenberganlage 25, 60325 Frankfurt/Main, Germany
11. Species 2000, Naturalis Biodiversity Center, 2333 CR Leiden, The Netherlands
12. Herbaria, Harvard University, 22 Divinity Avenue, Cambridge, Massachusetts 02138-2020, U.S.A
13. Komarov Botanical Institute of the Russian Academy of Sciences, Prof. Popov str., 2, 197376, St. Petersburg, Russian Federation
14. Box 1781, Forest Hills, Kloof 3624, South Africa
15. Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, Königin-Luise-Str. 6–8, 14195 Berlin, Germany; Orto botanico di Palermo, Via Lincoln 2, Palermo PA, Italy
16. Department of Earth Sciences, Brock University, 1812 Sir Isaac Brock Way, St. Catharines, Ontario L2S 3A1, Canada
17. Botanischer Garten und Botanisches Museum Berlin, Freie Universität Berlin, Königin-Luise-Str. 6–8, 14195 Berlin, Germany
18. Department of Botany, Goa University, Goa – 403206, India
19. División Plantas Vasculares, Museo de La Plata, Universidad Nacional de La Plata, Argentina
20. Royal Botanic Gardens (Jodrell Laboratory), Kew, Richmond, Surrey TW9 3DS, U.K
21. Royal Botanic Gardens Victoria, Birdwood Avenue, Melbourne, Victoria 3004, Australia
22. IRHS, Agrocampus-Ouest, INRA, Université d'Angers, SFR 4207 QuaSaV, 49071, Beaucouzé, France
23. Herbarium, Royal Botanic Garden, Edinburgh EH3 5LR, Scotland, U.K, Aquatic Ecosystems, Institute for Food and Agricultural Research and Technology (IRTA), Crta de Poble Nou Km 5.5, 43540 Sant Carles de la Ràpita, Catalunya,
Spain
24. Institute of Botany, Slovak Academy of Sciences, Dúbravská cesta 9, 845 23 Bratislava, Slovak Republic; Department of Botany, Faculty of Science, Charles University, Benátská 2, 128 01 Praha 2, Czech Republic
25. The Kyoto University Museum, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto 606-8501, Japan
26. Biodiversity Informatics, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, U.K
27. Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, U.K
28. School of Biological Sciences, University of Sydney, New South Wales, Australia
29. Conservatoire et Jardin botaniques de la Ville de Genève, Case Postale 60, Chemin de l'Impératrice 1, 1292 Chambésy, Geneva, Switzerland
30. Naturalis Biodiversity Center, P.O. Box 9517, 2300 RA Leiden, The Netherlands
31. Department of Biology, Trinity College, Hartford, Connecticut 06106, U.S.A
32. Botanical Museum, Finnish Museum of Natural History, University of Helsinki, Unioninkatu 44, P.O. Box 7, 00014 Helsinki, Finland; Herbarium, Komarov Botanical Institute of Russian Academy of Sciences, Prof. Popov str. 2, 197376, St. Petersburg,
Russian Federation
33. Department of Botany, P.O. Box 77000, Nelson Mandela Metropolitan University, Port Elizabeth, 6031 South Africa; Centre for Functional Ecology, Departamento de Ciências da Vida, Universidade de Coimbra, 3001-455 Coimbra,
Portugal
34. Missouri Botanical Garden, P.O. Box 299, Saint Louis, Missouri 63166-0299, U.S.A, Department of Biology, University of Missouri-St. Louis, 1 University Boulevard, St. Louis, Missouri 63121-4400, U.S.A
35. Kunming Institute of Botany, Chinese Academy of Sciences, 132# Lanhei Road, Heilongtan, Kunming 650201, Yunnan, P.R. China
36. The National Herbarium, Institute of Botany, Chinese Academy of Sciences, 20 Nanxincun, Xiangshan, Beijing 100093, P.R. China
37. School of Biological Sciences, Victoria University of Wellington, P.O. Box 600, Wellington, 6140 New Zealand