DUAN, Jie, Luyi MA, Liming JIA, Zhibo CHEN, Wenrui CHE, and Zhongkui JIA. 2010. “Tree Richness and Climatic Dominance in Different Districts of Beijing City, China”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 38 (1), 262-65. https://doi.org/10.15835/nbha3813647.