Classification study on commodity specification and grade standard of Pseudostellariae Radix Differentiation of vegetation characteristics on slope micro-topography of fenced watershed in loess area of north Shaanxi Province, Northwest China. Selection and Classification for Amaryllis DUS Testing Quantitative Traits SEM Observations and Measurements on Vestured Pits of Secondary Xylem in 11 Species of Genus Fraxinus Population Structure and Quantitative Characteristics of the Psychrophyte Rhodiola fastigiata Quantitative Characteristics of Ormosia hosiei under Different Disturbance Levels QUANTITATIVE CHARACTERISTICS OF TWO POPULATIONS OF SLADENIA CELASTRIFOLIA UNDER DIFFERENT LEVELS OF HUMAN DISTURBANCE Classification for Gerbera DUS Testing Quantitative Traits and Diversity Analysis of Mrphological Characteristic Dynamic of Community Structure and Quantitative Characteristics of Festuca Ovin Grassland in the Northern Slope of Tianshan Mountains THE ANATOMICAL CHARACTERISTICS OF POPULUS DELTOIDES(LUX) UNDER STRESS OF VARIOUS SOIL SALINITIES Reproductive tillers phenotypic plasticity of Elymus excelsus population at different earring time in Songnen Plain of Northeast China. Structural and Quantity Characteristics of Riparian Zone Broad-leaved Forest Communities under Different Disturbance Intensities in Jiangxi Wuyi Mountain Population Characteristics of Mistletoe (Viscum coloratum) in Wandashan Mountain A study on the spatial distribution and quantative characteristic of Populus euphratica and Populis pruinosa fruits Phenotypic Plasticity of Life History Characteristics: Quantitative Analysis of Delayed Reproduction of Green Foxtail (Setaria viridis) in the Songnen Plain of China