1. Department of Higher Plants, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
2. Department of Plant Physiology, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia
3. Monastir Faculty of Pharmacy, Monastir University, Monastir, Tunisia
4. Department of Earth and Environmental Sciences, University of Pavia, Pavia, Italy
5. Botanic Garden of Meise, Meise, Belgium
6. Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland
7. The Mauritius Herbarium, RE Vaughan Building, Agricultural Services, Ministry of Agro-Industry and Food Security, Réduit, Mauritius
8. Bolus Herbarium, University of Cape Town, Rhodes Gift, South Africa