1. Institute for Botany and Botanical Garden, Faculty of Biology, University of Belgrade, Belgrade, Serbia + Department of Botany, Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Šafarik University in Košice, Košice, Slovakia
2. Institute for Botany and Botanical Garden, Faculty of Biology, University of Belgrade, Belgrade, Serbia
3. Department of Horticulture, Faculty of Agriculture, Cukurova University, Adana, Turkey
4. Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, Bulgaria
5. Faculty of Natural Sciences and Mathematics, University of Banja Luka, Banja Luka, Republic of Srpska, Bosnia and Herzegovina
6. Institute for Nature Conservation of Vojvodina Province, Novi Sad, Serbia
7. Montenegrin Academy of Sciences and Arts, Podgorica, Montenegro
8. Department of Chemistry, Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Belgrade, Serbia
9. Botanical Society “Andreas Wolny”, Novi Sad, Serbia
10. Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
11. Veterinary Specialist Institute Kraljevo, Kraljevo, Serbia
12. Faculty of Biology, University of Plovdiv “Paisii Hilendarski”, Plovdiv, Bulgaria
13. ALVALAB, Oviedo, Spain
14. Faculty of Agriculture, University of Niš, Kruševac, Serbia
15. Natural History Museum, Belgrade, Serbia
16. Special Nature Reserve Zasavica / Pokret gorana Sremska Mitrovica, Sremska Mitrovica, Serbia
17. Environmental Protection Agency, Podgorica, Montenegro
18. Department of Botany, Hungarian Natural History Museum, Budapest, Hungary
19. Institute of Biology - Bucharest, Romanian Academy, Bucharest, Romania
20. Komarov Botanical Institute of the Russian Academy of Sciences (RAS), St. Petersburg, Russia
21. Institute of Environmental and Nature Conservation, Faculty of Forestry, Sopron University, Sopron, Hungary