On Circumscription of the Genus Prenanthes L. and Notoseris Shih — A New Genus of Compositae from China On Some Problems of Methodology of Bamboo Classification with Special Reference to the Circum-scription of Dendrocalamus Circumscription and phylogeny of Saxifraga sect. Ciliatae: Evidence from nrDNA ITS sequences On the circumscription of Machilus and Taxonomic Study on Hedysarum petrovii and Related Species A Comparison of Family Circumscription between FRPS and FGAC Circumscription of Primula subgenus Auganthus (Primulaceae) based on chloroplast DNA sequences A Review on the Phylogenetics of Nymphaeaceae