Electron microscopic observation on mitochondria of an especial cold-hardened plant in winter New Distributional Records of Two Monotypic Moss Genera Arthrocormus and Noguchiodendron in China Study on Original Forest Community in Nanyue of Hunan Province Ⅲ.Lithocarpus henryi Forest Distribution patterns of moss species on ground in main ecosystems in Changbai Mountains PRELIMINARY STUDIES ON FLORA AND DISTRIBUTION OF Aceraceae IN GUlZHOU PROVINCE Classification and Floristic Ecological and Geographical Distribution of Genus Hylotelephium in Mongolia Plateau New Distributional Records of Two Monotypic Moss Genera Arthrocormus and Noguchiodendron in China THE VERTICAL DISTRIBUTIONAL PATTERNS OF PATHOMYCE TES IN THE FORESTS OF THE MOUNT TAIBAI Study on Pattern and Successional Trend of Vegetation in Qinghai Lake Region An Investigation on the Resources of Medicinal Fungi in Sichuan DISTRIBUTIONAL FEATURES AND XONAL REGUALRITY OF VEGETION IN YUNNAN Distributional features of inorganic nitrogen in the Zhelin bay Analysis of distribution and its relationships to the environmental factors of the ferns in Shanghai