Corresponding author.; Department of Wildlife Conservation, National Forestry and Grassland Administration, No. 18, Hepingli Dongjie, Beijing 100714, China
Ronghong Shi
Department of Wildlife Conservation, National Forestry and Grassland Administration, No. 18, Hepingli Dongjie, Beijing 100714, China
Yu Zhang
Beijing Botanical Garden, Beijing Laboratory of Urban and Rural Ecological Environment, Xiangshan, Beijing 100039, China
Xiaohua Jin
Corresponding author.; Institute of Botany, Chinese Academy of Sciences, Nanxincun 20, Xiangshan, Beijing 100093, China
