Affiliation: | 1. Forest, Landscape and Biomass, University of Copenhagen, Frederiksberg C, Denmark;2. World Agroforestry Centre, Nairobi, Kenya;3. Natural History Museum of Denmark, Copenhagen, Denmark;4. The National Herbarium, Department of Plant Biology and Biodiversity Management, College of Natural Sciences, Addis Ababa University, Addis Ababa, Ethiopia |