Rosa M. Ros,^1,* Vicente Mazimpaka,² Usama Abou-Salama,³ Michele Aleffi,⁴ Thomas L. Blockeel,⁵ Montserrat Brugués,⁶ Rosa Maria Cros,⁶ Maria Giovanna Dia,⁷ Gerard M. Dirkse,⁸ Isabel Draper,² Wagieh El-Saadawi,³ Adnan Erdağ,⁹ Anna Ganeva,¹⁰ Rosalina Gabriel,¹¹ Juan M. González-Mancebo,¹² Camille Granger,¹³ Ilana Herrnstadt,¹⁴ Vincent Hugonnot,¹⁵ Kamel Khalil,¹⁶ Harald Kürschner,¹⁷ Anna Losada-Lima,¹² Leena Luís,¹⁸ Stefan Mifsud,¹⁹ Maria Privitera,²⁰ Marta Puglisi,²⁰ Marko Sabovljević,²¹ Cecilia Sérgio,¹⁸ Haanaa M. Shabbara,³ Manuela Sim-Sim,¹⁸ André Sotiaux,²² Roberta Tacchi,²³ André Vanderpoorten,²³ Olaf Werner<sup>1

1</sup>aUniversidad de Murcia, Facultad de Biología, Departamento de Biología Vegetal, Campus de Espinardo,
²bUniversidad Autónoma de Madrid, Facultad de Ciencias, Departamento de Biología, Ctra. de Colmenar V
³cBotany Department, Faculty of Science, Ain Shams University, Abbasia, Cairo, Egypt. E-mail: usamaab
⁴dScuola di Scienze Ambientali, Laboratorio di Briologia, Università degli Studi di Camerino, Via Pon
⁵eAshfurlong Close, Dore, Sheffield S17 3NN, United Kingdom. E-mail: tblockeel@aol.com
⁶fDepartament de Biologia Animal, Vegetal i Ecologia, Unitat de Botànica, Universitat Autònoma de Bar
⁷gDipartimento di Biologia Ambientale e Biodiversità, Università degli Studi di Palermo, Via Archiraf
⁸hNatuurmuseum Nijmegen, Gerard Noodtstraat 121, NL-6155 ST Nijmegen, The Netherlands. E-mail: gerard
⁹iAdnan Menderes University, Faculty of Arts & Sciences, Biology Department, 09010, Aydin, Turkey. E-
¹⁰jInstitute of Biodiversity and Ecosystem Research, 23 Acad. G. Bonchev Str., 1113 Sofia, Bulgaria. E
¹¹kDepartamento de Ciências Agrárias, Azorean Biodiversity Group- CITAA, Universidade dos Açores, P-97
¹²lUniversidad de La Laguna, Departamento de Biología Vegetal (Botánica), Calle Astrofísico Francisco
¹³m24, rue Camille Roy, 69007 Lyon, France. E-mail: camille.granger@wanadoo.fr
¹⁴nThe Hebrew University of Jerusalem, Israel. E-mail: ilanahs@vms.huji.ac.il
¹⁵0Conservatoire botanique national du Massif central, le bourg, 43270 Chavaniac Lafayette, France. E-
¹⁶pEcology and Forestry Department, Faculty of Agriculture, University of Aleppo, Aleppo, Syria. E-mai
¹⁷qInstitut für Biologie der Freien Universität Berlin, Systematische Botanik und Pflanzengeographie,
¹⁸rUniversidade de Lisboa, Faculdade de Ciências de Lisboa, DBV/Centro de Biologia Ambiental, Campo Gr
¹⁹s123 Lampuka Str, Paola, Malta. E-mail: valerandi@gmail.com
²⁰tDipartimento di Scienze Biologiche, Geologiche e Ambientali, Università degli Studi di Catania, via
²¹uInstitute of Botany and Botanical Garden, Faculty of Biology, University of Belgrade, Takovska 43,
²²vUniversité de Liège, Institut de Botanique, B22 Sart Tilman, B-4000 Liègel, Belgium. E-mail: andre.
²³wUniversità di Camerino, Orto botanico “Carmela Cortini”, Viale Oberdan, 62032 Camerino (MC), Italy.

^*Corresponding author: rmros@um.es