1. University of Primorska, Faculty of mathematics, natural sciences and information technologies, Glagoljaška, Koper, Slovenia
2. University of Zagreb, Faculty of Forestry, Department of Forest Genetics, Dendrology and Botany, Svetošimunska, Zagreb, Croatia
3. University of Belgrade, Faculty of Biology, Institute of Botany and Botanical Garden ‘Jevremovac’, Takovska, Belgrade, Serbia
4. University of Primorska, Faculty of Humanities, Titov trg ,Koper, Slovenia
5. Natural History Museum Rijeka, Lorenzov prolaz , Rijeka, Croatia