Effect of water stress and rewatering on the physiological and biochemical characteristics of Phalaris arundinacea Growth Plasticity of Ramets of Phalaris Arundinacea Population in the Different Habitats of Xiliao-River Plains Preliminary Study on Silage of Elymus sibiricns L. and Phalaris arundinacea L. in Alpine Pastoral Regions of Northwest Sichuan Adaptation Mechanism of Three Herbs in the Water-level-fluctuation-zone of Reservoir to Complete Submergence Seasonal Dynamic of Growth of Phalaris arundinacea in Beigu Mountain Wetland in Zhenjiang Anatomical Structure of Vegetative Organs of Phalaris arundinacea L. in Relation to Drought Resistance,Waterlogging Resistance and Use Value Water ecological amplitude of Phalaris arundinacea at rhizomatic germination and seedling stage Allelopathtic effects of Phragmites communis aqueous extract on seed germination and seedling growth of Phalaris arundinacea Distribution patterns of spikelets and florets in conical spikes of three grass species Density dependence of Phalaris aruandinacea clonal population on middle mountain region of subtropical zone of China