1. Department of Biology University of Florida Gainesville Florida USA
2. Centre for Integrative Conservation, Xishuangbanna Tropical Botanical Garden Chinese Academy of Sciences Menglun China
3. University of Chinese Academy of Sciences Beijing China
4. Faculty of Sciences University of Antananarivo Antananarivo Madagascar
5. CAS Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden Chinese Academy of Sciences Wuhan China
6. Botany Department National Museums of Kenya Nairobi Kenya