Studies on Embryology of Conyza canadensis (L.) Cronq Study on Allelopathy and Invasiveness of Conyza sumatrensis in the Three Gorges Reservoir of the Yangtze River Impact of Invasive Plant Conyza bonariensis on Vicia faba and Zea mays Root Tip Chromosomes Behaviour Molecular Phylogeny of Chinese Conyza,Microglossa and Thespis (Asteraceae:Astereae) Based on Two Nuclear Ribosomal DNA Regions Chemical constituents and their antiulcerogenic studies on whole herb of Conyza blinii (Ⅰ) Module biomass structure of the alien invasive plant Conyza canadensis Cloning and sequence analysis of glyceraldehyde-3-phosphate dehyrogenase gene from Conyza blinii Studies on Chemical Constituents of Conyza blinii Lévl. Studies on Chemical Constituents of Conyza blinii Lév1. The releasing mode of the allelochemicals in Conyza canadesis L. Two new triterpenoid saponins from Conyza japonica Chemical constituents of Conyza japonica Seven flavonoids from aerial parts of Conyza blinii Responses of Conyza canadensis to different concentrations of copper in soil Research on allelopathic effects of Conyza canadensis-an invasive species Reproductive traits associated with invasiveness in Conyza sumatrensis Photosynthetic characteristics of an invasive plant Conyza canadensis and its associated plants.