Chemical constituents of Huperzia serrata Advances in study of hyperzine A Effects of high temperature stress on physiological characteristics of Huperzia serrata Chemical constituents of Huperzia serrata Advances in studies on chemical constituents of Huperzia serrata and their pharmacological effects Effects of high temperature stress on plasma membrane permeability and chloroplast structure of Huperzia serrata Advances in studies on chemical constituents of Huperzia serrata and their pharmacological effects