Inter-Specific Correlations among Dominant Populations of Woody Syringa reticulata Communities in Wulu Mountain Nature Reserve, Shanxi Province of China Functional diversity research of tree and shrub layers in forest communities of the Wulu Mountains Nature Reserve in Shanxi, China Niche Analysis of Pinus tabulaeformis Community Dominant Species in Wulu Mountain Nature Reserve Interspecific segregation of species in tree and shrub layers of the Pinus bungeana Zucc. ex Endl. community in the Wulu Mountains, Shanxi Province, China Altitudinal pattern of plant species diversity in the Wulu Mountain Nature Reserve,Shanxi, China FLORISTICS AND GEOGRAPHICAL DISTRIBUTION OF BRYOPHYTES IN YIWULU MOUNTAIN, WILDERNESS AREA Plant Diversity and Its Elevational Gradient Patterns in Wulu Mountain, Shanxi, China An analysis of interspecific association of species in tree layer of Pinus bungeana community in Wulu Mountain of Shanxi