1. Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
2. Biodiversity Research/Systematic Botany, University of Potsdam, Maulbeerallee 1, 14469 Potsdam, Germany
3. CSIR-Forestry Research Institute of Ghana, Kumasi P.O. Box UP 63, Ghana
4. School of Public Health, College of Health Sciences, University of Ghana, Accra P.O. Box LG 13, Ghana
5. Faculty of Geoinformation Science & Earth Observation, Department of Natural Resource Management, University of Twente, Drienerlolaan 5, 7522 NB Enschede, The Netherlands