1. Institute for Botany and Botanical Garden, Faculty of Biology, University of Belgrade, Belgrade, Serbia
2. 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 Šafárik University in Košice, Košice, Slovakia
3. Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, Sofia, Bulgaria
4. Department of Biology, Faculty of Arts and Science, Osmaniye Korkut Ata University, Osmaniye, Turkey
5. Institute of Biology - Bucharest, Romanian Academy, Splaiul Independentei, Bucharest, Romania
6. Institute for Nature Conservation of the Vojvodina province, Novi Sad, Serbia
7. Botanical Society “Andreas Wolny”, Novi Sad, Serbia
8. Faculty of Natural Sciences and Mathematics, University of Banja Luka, Banja Luka, Republic of Srpska, Bosnia and Herzegovina
9. Institute of Chemistry, Technology and Metallurgy - National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
10. Department of Biology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
11. Ljubljana Municipality, Ljubljana, Slovenia
12. Faculty of Agriculture, University of Niš, Kruševac, Serbia
13. Natural History Museum, Belgrade, Serbia
14. International University of Brčko District, Brčko, Bosnia and Herzegovina
15. Department of Botany, Hungarian Natural History Museum, Budapest, Hungary