Department of City and Environment;
Jiangsu Normal University;
Xuzhou;
China;
Graduate School in Nanobioscience;
Yokohama City University;
Yokohama;
Japan;
Key Laboratory for Silviculture and Conservation;
Beijing Forestry University;
Beijing;
China;
China; Community; Classification; Phytogeographical; Areal; Type; Davidia; involucrata;