1. Panzhihua City Academy of Agricultural and Forest Sciences, Panzhihua, Sichuan, China
2. Biotechnology and Germplasm Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming 650223 Yunnan, China
3. The New Zealand Institute for Plant & Food Research Ltd., Christchurch 8140, New Zealand
4. College of Resource and Environment, Yunnan Agricultural University, Kunming 650100, China
5. Department of Plant Soils and Microbial Sciences, Michigan State University, East Lansing Michigan 48824
6. Chinese Academy of Sciences Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 132 Lanhei Road, Kunming, Yunnan 650201, China
7. 15 Lynfield Avenue, Ilam, Christchurch, New Zealand