NrDNA ITS sequences analysis and genetic rela tionship identification of Magnolia officinalis from different geographical regions Analysis of rDNA ITS sequences of Sargentodoxa cuneata Intra-genomic Polymorphism in the nrDNA ITS Sequence of Camellia reticulata Length Variation of the Nuclear Ribosomal DNA Internal Transcribed Spacer in the Genus Abies, with Reference to Its Systematic Utility in Pinaceae Incomplete Concerted Evolution of nrDNA ITS in Cornus subg. Syncarpea (Cornaceae) PHYLOGENETIC ANALYSIS ON GENUS CHLAMYDOMONAS BASED ON MORPHOLOGICAL CHARACTERS AND nrDNA ITS SEQUENCE Phylogenetic Analysis of Trichosanthes Based on the nrDNA ITS Region Phylogeny of Catalpa (Bignoniaceae) inferred from sequences of chloroplast ndhF and nuclear ribosomal DNA Incomplete nrDNA ITS Concerted Evolution in Plants and Its Evolutionary Implications Phylogenetic analysis of Malaxideae(Orchidaceae: Epidendroideae): two new species based on the combined nrDNA ITS and chloroplast matK sequences Phylogenetics and biogeography of eastern Asian-North American disjunct genus Pachysandra (Buxaceae) inferred from nucleotide sequences Phylogenetic relationships of sect.Nummularia (Lysimachia):evidence from ITS sequences Analysis of nrDNA ITS Sequences in Ipomoea batatas and its Relative Wild Species Phylogenetic Study on Sect.Duretia(Boehmeria,Urticaceae) Based on nrDNA ITS Sequences Genetic diversity of germplasm resources of Gentiana straminea from Tibet of China DNA Barcoding of Acer palmatum (Aceraceae) Use of DNA barcode sensu lato to identify Traditional Tibetan Medicinal plant Gentianopsis paludosa (Gentianaceae) Molecular systematics and biogeography of Wisteria inferred from nucleotide sequences of nuclear and plastid genes DNA Barcoding of the Genus Rehmannia (Scrophulariaceae)