1. University of Belgrade, Faculty of Biology, Institute of Botany and Botanical Garden “Jevremovac”, Studentski trg 16, 11000 Belgrade, Serbia
2. University of Belgrade, Faculty of Biology, Institute of Physiology and Biochemistry “Ivan Đaja”, Studentski trg 16, 11000 Belgrade, Serbia
3. Institute for Medicinal Plants Research “Dr. Josif Pančić”, Tadeuša Košćuška 1, Belgrade, Serbia