Reproductive characteristics of Tithonia diversifolia and its geographical spread in Yunnan Province of South-West China Ecological security assessment of intro-ducing aquatic macrophytes Spatial Patterns of Floristic Composition of Invasive Alien Plants in Large Scale and Their Climatic Interpretation Comparative Study on the Leaf Structures of Sonneratia caseolaris and S. apetala Diversity differentiation of invasive plants at a regional scale in China and its influencing factors: accroding to analyses on the data from 74 regions Life-form and Diversity of Sexual System of Invasive Alien Plants in China Reproductive biology characterististics of invasive alien plant Oenothera rosea Phenotypic variation in populations of Solanum rostratum in different distribution areas in China Acmella radicans var. debilis (Kunth) R. K. Jansen (Asteraceae), A Newly Naturalized Plant in China Petiveria alliacea L. (Phytolaccaceae), A Newly Naturalized Species in China Invasive Plants in Guangzhou, China Breeding system of a noxious invasive alien plant, Ambrosia artemisiifolia L. Flora analysis of riparian vegetation in Yongding-Haihe river system, China Alien Plants in Shanghai and the Rating of Their Invasion Potential distribution of Solidago canadensis in China Identification and fungitoxicity of volatiles of invasive plant Wedelia trilobata L. Attributes of plant proliferation, geographic spread and the natural communities invaded by the naturalized alien plant species Tithonia diversifolia in Yunnan,China The alien plant species in Guangzhou, China The alien invasive plants in Guangxi