1. Botanic Garden and Botanical Museum Berlin-Dahlem; Freie Universität Berlin; Berlin Germany
2. Dahlem Centre of Plant Sciences; Freie Universität Berlin; Berlin Germany
3. Institut für Biologie - Angewandte Genetik; Freie Universität Berlin; Berlin Germany
4. CNRS; Laboratoire Ecologie, Systématique et Evolution; UMR 8079; Université Paris Sud; Orsay France
5. Faculty of Forestry; University of Sarajevo; Sarajevo Bosnia and Herzegovina
6. Institute for Biochemistry I; Medical Faculty; University of Cologne; Cologne Germany
7. Molecular Biology Group; Leibniz-Institute of Freshwater Ecology and Inland Fisheries; Berlin Germany
8. AG Spezielle Botanik; Justus-Liebig-Universität Giessen; Giessen Germany
9. Department of Biology; Botanical Institute; University of Patras; Patras Greece