Gametophyte Development of Three Species in Cyatheaceae Community Characteristics and Species Diversity of Alsophila spinulosa in Chishui Alsophila National Nature Reserve Study on Interspeciffic Association of Main Shrub Populations in Alsophila spinulosa Community in Yongding County, Fujian Study on the Individual Ecological Field Gradient of the Endangered Plant Alsophila spinulos AN ENDANGERED PRECIOUS AND RARE NEW OLD HUGE TREE FERN DISCOVERED IN YUNNAN CHINA ALSOPHILA PINGBIANICA The Study on Ecological Field of Endangered Plant Alsophila spinulos Individual Niche Characteristics of Dominant Plant Populations of Alsophila spinulosa Community of Danxia Landform in North Guizhou BIOMASS AND PRODUCTIVITY OF A TREE FERN ECOSYSTEM IN CHINA Chemical Constituents in the Leaves of Alsophila spinulosa Effects of Pb2+ on Spore Germination and Gametophyte Development of Three Species of Fern The effects of several amplification conditions on RAPD amplification for Alsophila spinulosa The soil respiration of Alsophila spinulosa ecosystems A preliminary study on the Alsophilia Spinulosa comm. in guizhou propince Population structure and its dynamics of rare and endangered plant Alsophila spinulosa Evolutionary donservatism of floristic characteristics of relict Alsophila spinulosa community The elementary characteristics of Alsophila podophylla and their relationships with forest standing tree density and soil factors on Wuzhi Mountain Phylogenetic Analysis for Alsophila austroyunnanensis:Evidence from Chloroplast trnL Intron and trnLF Intergenic Spacer Sequences Chemical constituents in stems of Zhuang Medicine Alsophila spinulosa Population Structure and Regeneration of the Endangered Tree Fern Alsophila spinulosa in Huagaoxi National Nature Reserve, Southwestern China Information dimension fractal properties of the spatial pattern of Alsophila spinulosa population in Mopan‘‘‘‘gou,Fuling Studies on Species Diversity of Alsophila spinulosa Community in the Bijia Mountain of Yongding, Fujian Genetic structure and phylogeography of populations of Alsophila podophylla in Hainan and Guangdong, southern China, based on cpDNA trnL-F noncoding sequences The Classification of the Cyatheaceae in China A STUDY ON THE BIOLOGICAL CHARACTERISTICS AND THE ENDANGERING FACTORS OF ALSOPHILA SPINULOSA