Qinghua Guo¹, Yanjun Su¹, Tianyu Hu¹, Yongcai Wang¹, Yumei Li¹, Hongyan Liu², Shichao Jin¹, Qin Ma³, Jin Wu⁴, Lingli Liu⁵ and Jingyun Fang¹, (1)Institute of Botany, Chinese Academy of Sciences, Beijing, China, (2)College of Urban and Environmental Sciences and MOE Laboratory for Earth Surface, Peking University, Beijing, China, (3)University of California Merced, Merced, CA, United States, (4)University of Hong Kong, Hong Kong, Hong Kong, (5)IB Institute of Botany, Chinese Academy of Sciences, Beijing, China