1. Oak Spring Garden Foundation; 1776 Loughborough Lane, Upperville, VA 20184, USA and Yale School of Forestry & Environmental Studies; New Haven CT 06511 USA
2. The State Key Laboratory of Systematic and Evolutionary Botany; Institute of Botany; CAS, Beijing 100093 China
3. South China Botanical Garden; CAS, Guangzhou Guangdong 510650 China
4. Fairy Lake Botanical Garden; Shenzhen & CAS, Shenzhen Guangdong 518004 China
5. Department of Life Sciences; Natural History Museum; London SW7 5BD UK
6. Department of Botany; National Museum of Natural History, Smithsonian Institution; Washington, DC 0013-7012 USA
7. Department of Biology; Stanford University; Stanford CA 94305-5020 USA
8. Missouri Botanical Garden P.O. Box 299; St. Louis MO 63166 USA
9. The State Key Laboratory of Plant Physiology and Biochemistry; China Agricultural University; Beijing 100193 China
10. BGI, Shenzhen; Guangdong 518083 China
11. Shenzhen Urban Management Bureau; Shenzhen, Guangdong 518036 China
12. The Institute for Advanced Studies; Wuhan University; Wuhan Hubei 430072 China