Study on the DNA Barcoding of Genus Ligularia Cass. (Asteraceae) Phylogeography of an alpine plant Ligularia vellerea (Asteraceae) in the Hengduan Mountains Allelopathic Effects of Different Plants on the Major Weed Ligularia sagitata in Alpine and Cold Grassland Chemical constituents of Ligularia intermedia from Henan Province Chemical constituents of Ligularia intermedia from Henan Province Identification of Commercial Chinese Medicine Ziwan Clonal Growth of Ligularia virgaurea: Morphological Responses to Nutritional Variation Relationship Between Habitats and Resource Allocation of Inflorescence Structure in Ligularia virgaurea Analysis on clivorine from alkaloid in aqueous extract of Ligularia hodgsonii and its hepatotoxicity in rats LIGUVEITOSIDE A, A NEW TRITERPENOID SAPONIN FROM LIGULARIA VEITCHIANA The Karyotypes of Seven Species in Ligularia New taxa of Ligularia (Compositae) from China A New Species of Ligularia from Sichuan, China A New Species of Ligularia from Gansu The Origin, Evolution and Distribution of Ligularia Cass. (Compositae) Characteristics of clonal growth of Ligularia virgaurea to different elevation gradient on alpine meadow Study on triterpenes from of Ligularia xanthotricha Species of Ligularia in the northwestern China and their medicinal uses Allelopathy and chemical constituents of Ligularia virgaurea volatile The breeding system of three species of genus Ligularia in the east of Qinghai-Tibet Plateau Constituents of Liguliria vellerea ( Franch.) Hand-Mazz Floral sex allocation and gynomonoecy of Ligularia (Asteraceae) in the eastern Qinghai-Tibet Plateau Studies on Chinese Medicinal Herbs:Shanziwan (Radix et Rhizoma Ligualariae) I .Survey on Resources and Identification of Original Plants Study on the chemical constituents in roots and rhizomes of Ligularia duciforms Chemical Components of Essential Oils From the Herb of Ligularia virgaurea A new eremophilane derivative from Ligularia intermedia Natural hybridization and introgression in sympatric Ligularia species (Asteraceae, Senecioneae) Chloroplast DNA variation and phylogeography of Ligularia tongolensis (Asteraceae), a species endemic to the Hengduan Mountains Region of China Morphological and Histological Ident甘ication of Chinese Medicinal Herb Shanziwan (Ligulariae, Cass.)(N) Morphological and Histological Identification of Chinese Crude Drug "Shanziwan" (Ligularia> Ⅲ Studies on Chinese Medicinal Herbs Shanziwan Root and Rhizome ( Ligulariae)?Ⅲ.A Comparison of Expectorant and Antitussive Actions Between Ziwan Root Effects of Light on the Growth and Clonal Reproduction of Ligularia virgaurea Karyological Studies on Five Species of the Genus Ligularia (Compositae:Senecioneae) Seed size effect on seedling growth under different light conditions in the clonal herb Ligularia virgaurea in Qinghai Tibet Plateau A New Ligularia sachalinensis Cultivar‘Jinsui’ Analysis on clivorine from alkaloid in aqueous extract of Ligularia hodgsonii and its hepatotoxicity in rats Effects of inflorescence position on seed production and seedling establishment in Ligularia virgaurea Taxonomic Studies on the Genus Ligularia Cass. (Asteraceae, Senecioneae) from China (V): Correction of Typographical Errors in the Protologue of L. lingiana, L. changiana and L. nanchuanica Taxonomic Studies on the Genus Ligularia Cass. (Asteraceae, Senecioneae) from China (IV): The Identities of L. kangtingensis and Senecio ficariifolius Notes on the Geographical Distribution of Ligularia przewalskii and Critical Comments on Some Problems Apparent in Floristic Works of China Taxonomic Studies on the Genus Ligularia Cass. (Asteraceae, Senecioneae) from China (Ⅲ): The Identities of L. brassicoides, L. ianthochaeta, and L. paradoxa var. palmatifida Terpenoid compounds isolated from Ligularia sagitt Assessment of Genetic Variation and Differentiation of Ligularia tongolensis (Compositae) Detected by ISSRs GROWTH AND PHYSIOLOGIC CHARACTERISTICS OF Ligularia sibirica UNDER LIVESTOCK WASTEWATER TREATMENT A New Ligularia sachalinensis Cultivar‘Jinsui’ Study on the DNA Barcoding of Genus Ligularia Cass. (Asteraceae) Establishment of micropropagation system of Ligularia jaluensis Kom. In Vitro Tip Micropropagation of Ligularia jamesii from Changbai Mountain Natural Hybrids between Ligularia vellerea and L.subspicata (Asteraceae: Senecioneae) Factors Influencing Seed Production in Ligularia virgaureaⅠ. Habitat and Architecture of Inflorescence Size-dependent Reproductive Allocation of Ligularia virgaurea in Different Habitats Taxonomic Studies on the Genus Ligularia Cass. (Asteraceae, Senecioneae) from China (II): The Identity of L. fangiana Taxonomic Studies on the Genus Ligularia Cass. (Asteraceae, Senecioneae) from China (I): The Identity of L. angustiligulata Embryology of Ligularia przewalskii A NEW SPECIES OF LIGULARIA (COMPOSITAE) FROM CHINA Karyotype studies on three Ligularia of Changbai Mountain Study on chemical constiuents from Ligularia intermedia of Shanxi Study on chemical constituents in roots and rhizomes of Ligularia duciforms