1. Universidad de Murcia, Facultad de Biología, Departamento de Biología Vegetal, Campus de Espinardo, 30100-Murcia, Spain. E-mail: , rmros@um.es werner@um.es
2. Universidad Autónoma de Madrid, Facultad de Ciencias, Departamento de Biología, Ctra. de Colmenar Viejo Km 15, 28049 Madrid, Spain. E-mail: , vicente.mazimpaka@uam.es isabel.draper@uam.es
3. Botany Department, Faculty of Science, Ain Shams University, Abbasia, Cairo, Egypt. E-mail: , , usamaabousalama@yahoo.com hshabbara@yahoo.com wagelsaadawi@yahoo.com
4. Scuola di Scienze Ambientali, Laboratorio di Briologia, Università degli Studi di Camerino, Via Pontoni, 5 - 62032 Camerino (MC), Italy. E-mail: michele.aleffi@unicam.it
5. Ashfurlong Close, Dore, Sheffield S17 3NN, United Kingdom. E-mail: tblockeel@aol.com
6. Departament de Biologia Animal, Vegetal i Ecologia, Unitat de Botànica, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain. E-mail: , montserrat.brugues@uab.es rosamaria.cros@uab.es
7. Dipartimento di Biologia Ambientale e Biodiversità, Università degli Studi di Palermo, Via Archirafi, 38,90133 Palermo, Italy. E-mail: m.giovanna.dia@unipa.it
8. Natuurmuseum Nijmegen, Gerard Noodtstraat 121, NL-6155 ST Nijmegen, The Netherlands. E-mail: gerard.dirkse@natuurmuseum.nl
9. Adnan Menderes University, Faculty of Arts & Sciences, Biology Department, 09010, Aydin, Turkey. E-mail: aerdag@adu.edu.tr
10. Institute of Biodiversity and Ecosystem Research, 23 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria. E-mail: animoss@bio.bas.bg
11. Departamento de Ciências Agrárias, Azorean Biodiversity Group- CITAA, Universidade dos Açores, P-9702 Angra do Heroísmo Codex, Açores, Portugal. E-mail: rgabriel@uac.pt
12. Universidad de La Laguna, Departamento de Biología Vegetal (Botánica), Calle Astrofísico Francisco Sánchez s/n, 38071-La Laguna, Tenerife, Canary Islands, Spain. E-mail: , jglezm@ull.es alosada@ull.es
13. 24, rue Camille Roy, 69007 Lyon, France. E-mail: camille.granger@wanadoo.fr
14. The Hebrew University of Jerusalem, Israel. E-mail: ilanahs@vms.huji.ac.il
15. Conservatoire botanique national du Massif central, le bourg, 43270 Chavaniac Lafayette, France. E-mail: vincent.hugonnot@cbnmc.fr
16. Ecology and Forestry Department, Faculty of Agriculture, University of Aleppo, Aleppo, Syria. E-mail: kamel63@maktoob.com
17. Institut für Biologie der Freien Universität Berlin, Systematische Botanik und Pflanzengeographie, Altensteinstraβe 6, D-14195 Berlin, Germany. E-mail: kuersch@zedat.fu-berlin.de
18. Universidade de Lisboa, Faculdade de Ciências de Lisboa, DBV/Centro de Biologia Ambiental, Campo Grande, 1749-016 Lisboa, Portugal; Museu Nacional de História Natural e da Ciência, Jardim Botânico, Rua da Escola Politécnica, 58, 1250-102 Lisboa, Port
19. 123 Lampuka Str, Paola, Malta. E-mail: valerandi@gmail.com
20. Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università degli Studi di Catania, via A. Longo, 19, 95125 Catania, Italy. E-mail: mprivite@unict.it
21. Institute of Botany and Botanical Garden, Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia. E-mail: marko@bio.bg.ac.rs
22. Université de Liège, Institut de Botanique, B22 Sart Tilman, B-4000 Liègel, Belgium. E-mail: , andre.sotiaux@gmail.com a.vanderpoorten@ulg.ac.be
23. Università di Camerino, Orto botanico “Carmela Cortini”, Viale Oberdan, 62032 Camerino (MC), Italy. E-mail: roberta.tacchi@unicam.it