SECTION CHRYSOCOMAE, A NEW SECTION OF DRYOPTERIS (SUBGENUS DRYOPTERIS) FROM YUNNAN A TAXONOMICAL STUDY ON THE GENUS DRYOPTERIS SECTION FIBRILLOSAE FROM YUNNAN Pharmacognostical Studies on the Chinese Drug Guanzhong Produced in East China Research progress on chemical constituents of plants in Dryopteris Adanson and their quality analyses as well as pharmacological activities Separation and purification of total poly phenol from Dryopteris crassirhizoma with anion exchange resin Gametophyte Development of Three Species of Dryopteridaceae The development of gametophytes of Dryopteris fragrans A New Species of Dryopteris from Shandong Three New Cytotypes of Dryopteris chrysocoma Complex Correlative Study on Storage Time and Quality of Rhizoma Dryopteris Crassirhizomae Chemical constituents in roots of Dryopteris championii AFLP Analysis on genetic diversity of germplasm resource in Dryopteris fragrans Pharmacognostical studies on Dryopteris fragrans A new chromone glycoside from Dryopteris fragrans Cytological Observations on Some Species of Dryopteris and Polystichum from China Two New Records of Dryopteridaceae of Qinling,Shaanxi Analysis on codon using features and expression prediction of 4CL gene in Dryopteris fragrans Mass spectral fragmentation pattern and spectroscopic rules of phloroglucinol constituents in plants of Dryopteris Adanson A Taxonomic Study on the Genus Dryopteris Subgenus Erythrovariae (H. Ito) Fraser-Jenkins from Yunnan NEW MATERIALS FOR DRYOPTERIS FOR MT. GONGGA (MINYA GONKAR), SICHUAN CHINA Chemical components from Dryopteris fragrans and their cytotoxicity Advances in studies on chemical constituents and pharmacological activity in plants of Dryopteris Adanson A Correction of the Scientific Name of Dryopteris bissetiana (Baker) C. Chr. vs Dryopteris setosa (Thunb.) Akasawa in Chinese Fern Flora Spermatocyte and Spermatozoid Ultra-structures of Dryopteris crassirhizoma Ultrastructure of Oogenesis in Dryopteris crassirhizoma Nakai Spore Culture and Gametophyte Development of Dryopteris varia (L.) Ktunze Primary Study on Antheridiogen System of Dryopteris uniformis Spore Germination of Dryopteris crassirhizoma(Dryopterydaceae) Observation on the Gametophyte Development of Dryopteris subtriangularis Studies on the Geographical Distribution and Floristic Characteristics of the Genus of Dryopteris Adanson from Hubei,China Some New Recorded Plants of Dryopteris Adanson from Hubei Chromosome numbers of 13 species in the genus Dryopteris (Dryopteridaceae) from Yunnan, China Paleocene Wuyun flora in Northeast China: Woodwardia bureiensis, Dryopteris sp. and Osmunda sachalinensis A Classification Synopsis of the Genus Dryopteris from Yunnan Anatomical Study on the Pedicels of Two Ferns THE PHYT0GEOGRAPHICAL FEATURES OF PTERID0PHYTES OF SICHUAN, CHINA WITH S0ME REMARKS ON THE POLYSTICHO-DROPTERIS FLORA A new chromone glycoside from Dryopteris fragrans (II)