1. State Key Laboratory of Systematic and Evolutionary Botany, Inst. of Botany, Chinese Academy of Sciences, Beijing and Univ. of the Chinese Academy of Sciences Beijing PR China
2. Germplasm Bank of Wild Species, Kunming Inst. of Botany, Chinese Academy of Sciences Heilongtan, Kunming Yunnan PR China
3. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Shandong Univ. Qingdao Shandong PR China