Structure and ecological adaptability of the leaves of three asteraceae species at different altitudes on the Qinghai-Tibet Plateau Research Advances in the Diversities of Endophytic Fungi in Medicinal Plants and Their Bioactive Ingredients Distribution of figs(Ficus) in China and its significance in the issues for interspecific co-evolution Cloning and Phylogenetic Analysis of cDNA Sequences Coding for ARC1 and Exo70A1 in Brassica oleraces var. capitata L. Bacterail Pathogens Resistance to Phages During the Phage Therapy Molecular Evolution of psbD Gene in Ferns:Selection Pressure and Co-evolutionary Analysis Molecular Evolutionary Patterns of the psbA Gene in Gymnosperms