Adaptive evolution of the ndhF gene in the genus Rheum(Polygonaceae) Phylogenetic Utility of Chinese Rubus(Rosaceae)Based on ndhF Sequence Phylogeny of Catalpa (Bignoniaceae) inferred from sequences of chloroplast ndhF and nuclear ribosomal DNA Phylogenetic inferences in Prunus (Rosaceae) using chloroplast ndhF and nuclear ribosomal ITS sequences Analysis of Editing Sites for Chloroplast ndhF in Ginkgo biloba and the Editing Efficiency at C290 in Response to Different Stresses Phylogenetics and biogeography of eastern Asian-North American disjunct genus Pachysandra (Buxaceae) inferred from nucleotide sequences Interspecific delimitation and phylogenetic origin of Pugionium (Brassicaceae)