Tisssue culture and plant regeneration of rare plant Gymnocarpos przewalskii Population structure and distribution pattern of rare plant communities in Houhe Nature Reserve Species Diversity of Rare Plant Dipentodon sinicus Communities in Yushe National Forest Park Plant resources and distribution of Shaxi nature seserve in Guangdong Plant resources and rare protected plants of Nanshan Natural Reserve of Shixing in Guangdong THE ORNAMENTAL VALUE AND APPLICATION OF RARE PLANTS IN HUNAN OF CHINA THE CHROMOSOME OBSERVATION ON 5 SPECIES OF RARE PLANTS OF CHINA A STUDY OF THE CAUSES THREATENING PELLACALYX YUNNANENSIS,A SPECIES RECEIVING PRIORITY PROTECTION IN CHINA Spatial Pattern and Relation With the Topographical Factors of the Rare Pare Species at Dalaoling in the Three Gorges Region Effects of human trampling on sand-beach grass communities of the middle Yellow Sea Primary Study on the Endangered Mechanism of the Rare Plant Keteleeria evelyniana var. pendula A STUDY ABOUT ENDANGERED MECHANISM OF Erythrophleum fordii Paraisometrum W.T.Wang, a newly recorded genus of Gesneriaceae from Guangxi, China Effects of Environment Factors on Spores Culture of Hemionitis arifolia Moore Sphaeropteris, a newly recorded genus of tree ferns from Guangxi Phylogenetic Structure of a Rare Plant Community in Houhe Nature Reserve over Time and Space Conservation genetics and breeding system of Penstemon debilis (Plantaginaceae), a rare beardtongue endemic to oil shale talus in western Colorado, USA The Characteristics of Tree Layer Structure of the Rare Plant Community in Houhe Nature Reserve Population pattern and community characteristics of endemic and rare plant Magnolia zenii in Baohuashan National Forest Park Studies on Character of Seed Germination of Rare Plant Dipteronia dyeriana The structure and dynamics of the rareplant communities in subtropical mountian of China Population genetics and breeding system of Tupistra pingbianensis (Liliaceae), a naturally rare plant endemic to SW China Distribution Pattern and Analysis of Influencing Factors of Rare Plant Anemone shikokiana(Makino) Makino Dynamics of Major Tree Species in a Rare Plant Community Over 6 Years in Houhe Nature Reserve,Central China Community Characteristics and Conservation Strategies of A Rare Species, Dipteronia dyeriana ( Aceraceae)