1. Section for Biosystematics, Natural History Museum of Denmark, Copenhagen Ø, Denmark
2. The Herbarium, Science Collections Department, Royal Botanic Gardens, Kew, Richmond, Surrey, UK
3. Recherche – Sciences de la Vie, Section Botanique, Musée national d’histoire naturelle de Luxembourg, Luxembourg, Luxembourg
4. Department for Geo Media & Design, HAS University of Applied Sciences, ‘s-Hertogenbosch, The Netherlands
5. The National Herbarium, Department of Plant Biology and Biodiversity Management, Addis Ababa University, Addis Ababa, Ethiopia