On Classification of Hilliella warburgii and Cochleariella zhejiangensis Studies on the Pollen Morphology of Trapa from Zhejiang Study on the pteridoflora in Southwest of Zhejiang Province A new species of Impatiens from eastern Zhejiang, China Analysis the Floristic Character of Seed Plants in Wuyanling National Nature Reserve from Zhejiang Province Comprehensive Regionalization of Torreya grandis ‘Merrillii’Cultivation Based on Climate,Terrain and Soil Factors by GIS Technology in Zhejiang Province THE EXPLOITATION AND UTILIZATION OF PTERIDOPHYTIC RESOURCES OF BEISHAN IN ZHEJIANG The Chromosome Numbers of Two Species in Brassicaceae AN APPLICATION OF POLYNOMICAL STEP-REGRESSION OPTIMUM MODEL IN THE STUDY OF PLANT-SOIL CORRELATION IN TIANTONG,ZHEJIANG,CHINA GEOGRAPHIC DISTRIBUTION OF THE RARE, ENDANGERED AND PROTECTED PLANTS IN ZHEJIANG AND THEIR CHARACTERISTICS OF FLORA RELATIONSHIP OF THE FOREST FLORAS AMONG ZHEJIANG,TAIWAN PROVINCES IN CHINA AND JAPAN CLASSIFICATION AND DISTRIBUTION STUDIES ON HYDROCHARITACEAE FROM ZHEJIANG PROVINCE New taxa of Carex (Cyperaceae) from Zhejiang, China Prokaryotic Expression of Dendrorhynchus zhejiangensis Actin Gene and Self-assembly of Recombinant Protein in vitro Characteristics of Ecological Agriculture Practice in Zhejiang Province The Alien Invasive Plants in Zhejiang Province, China The Floristic Analysis of Seed Plants in Hangzhou West Lake Area from Zhejiang Province New taxa of the Rosaceae from Zhejiang, China STUDIES ON BIRDS IN THE TIANMU MOUNTAINS,EAST CHINA The study of the Numerical Taxonomic System on the Division of Natural Vegetation Types of Jiulongshan in Zhejiang Province