1. Laboratory of Systematic Botany and Phytogeography, School of Biology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
2. Postgraduate Studies Programme “Conservation of Biodiversity and Sustainable Exploitation of Native Plants”, School of Biology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
3. Department of Molecular Biology and Genetics, Democritus University of Thrace, Dragana Campus, GR-68100 Alexandroupolis, Greece