1. Nursel İkinci, Abant İzzet Baysal University, Faculty of Arts & Sciences, Department of Biology, TR-14280 Bolu, Turkey; e-mail: nurselikinci@yahoo.com.
2. Christoph Oberprieler, Universität Regensburg, Naturwissenschaftliche Fakultät III-Biologie und Vorklinische Medizin, Universitätstr. 31, D-93053 Regensburg, Germany; e-mail: christoph.oberprieler@biologie.uni-regensburg.de
3. Adil Güner, Nezahat Gökyiğit Botanik Bahçesi, Ataşehir, Atatürk Mah. Fatih Sultan Mehmet Cad. TEM Otoyolu Anadolu Kavçaği, Kadíköy, TR-81120 Istanbul, Turkey; e-mail: adilguner@ttnet.net.tr.