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Floristic composition and ecological characteristics of ferns in a tropical dipterocarp rainforest in Mengla, Xishuangbanna REMARKS OF A FOREIGN STUDENT IN PROFESSOR FERNALD‘S LAST CLASS AT HARVARD UNIVERSITY Clues to the signals for chloroplast photo-relocation from the lifetimes of accumulation and avoidance responses Phylogeny and Classification of the Extant Lycophytes and Ferns from China Discovery of Ferns with Reticulate Veins in Early-Middle Carboniferous from North Qilian Zoulang Area, Gansu Province and Their Significance Studies on the Chemical Constituents of Agapetes obouata S. H. Huong A Preliminary Invsetigation of Resources of Medicinal Pteridophyte in Henan Province Species composition and ecological characteristics of ferns on the tropical montane evergreen broad-leaved forest in Xishuangbanna Diversity Survey on Pteridophytes in Mt. Yunkai Nature Reserve, Western Guangdong, China Leaf Functional Traits of Ferns from Different Habitats in Monsoon Evergreen Broad-leaved Forest in Dinghushan Mountain Research on Petroleum Ether Extract of Rhizoma Drynariae A Biodiversity Study on the Pteridophytes from Guangzhou City, Guangdong Studies on the Chemical Constituents of Platycerium wallichii Hook. Altitudinal patterns of floristic elements of ferns in Ailao Mountain， Yunnan Province Taxonomic and evolutionary implications of spore ornamentation in Davalliaceae Ultrastructure of Oogenesis in Dryopteris crassirhizoma Nakai Dynamics of Primary Productivity and Soil Organic Matter of Typical Steppe in the Xilin River Basin of Inner Mongolia and Their Response to Climate Change Using Modified FIASCO Protocol to Isolate Polymorphic Microsatellite Loci in Chinese Brake Fern (Pteris vittata L.)：an Arsenic-Hyperaccumulating Plant The Relationship between Aleuritopteris humatifolia and A-chrysophylla Based on Three Chloroplast DNA Sequences Analyses Stomatal characteristics of ferns and angiosperms and their responses to changing light intensity at different habitats Fern Flora in Dashanfeng Mountain of Zhejiang Province Observations on the Formation and Ultrastructure of the Egg Membrane in the fern Ceratopteris thalictroides (Parkeriaceae) Cytological Observations on the Fertilization of the Fern Pteridium aquilinum var.latiusculum Rhizoma drynariae effects on rat experimental bone injury healing Ultrastructure of Oogenesis in Osmunda cinnamomea var. asiatica Chemical constituents of whole plant of Euphorbia thymifolia The Exploitation and Utilization of Lycophyte and Fern Resources in Xishuangbanna, Yunnan Study on the pteridophyte flora of Qimen Region in Anhui Province New records of dryopteridaceae in Hunan Province from China The scanning electron microscope observation of the fern sporange and the fern leaf epidermis in Heilongjiang Province FLORISTIC CHARACTERISTICS AND GEOGRAPHIC DISTRIBUTION OF THE FERNS IN THE QINLING MOUNTAIN RANGE, CHINA THE OUTLINE OF FERNS IN SHENNONGJIA,CHINA Observations on the Spore Germination and Prothallium Development of Ferns Genetic Diversity in the Rare and Endangered Fern Isoetes orientalis Formation and Development of Archegonium in the Fern Ceratopteris thalictroides(L.)Brongn