1. School of Life Sciences, East China Normal University, Shanghai, P. R. China
2. Department of Pharmacy, Chongqing Three Gorges Medical College, Chongqing, P. R. China
3. Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey, UK
4. Kadoorie Farm & Botanic Garden, Hong Kong SAR, P. R. China
5. Sichuan Wanglang National Nature Reserve, Wanglang, P. R. China