1. Key Laboratory of Plant Resources Conservation & Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences Guangzhou PR China
2. Dept of Botany, Inst. of Ecology and Biological Resources, Vietnam Academy of Science and Technology Cau Giay Hanoi Vietnam
3. Public Laboratory, South China Botanical Garden, Chinese Academy of Sciences Guangzhou PR China
4. Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences Yezin Nay Pyi Taw 05282 Myanmar