Phylogeography of Cyananthus delavayi (Campanulaceae) in Hengduan Mountains inferred from variation in nuclear and chloroplast DNA sequences Reconstructing ancestral ranges in historical biogeography: properties and prospects New insight into the phylogenetic and biogeographic history of genus Ficus: Vicariance played a relatively minor role compared with ecological opportunity and dispersal Ecological Vicariance of Steppe Species and Communities on Climate Gradient in Inner Mongolia and Its Indication to Steppe Dynamics under the Global Change A Dispersal and Vicariance Analysis of the Genus Caragana Fabr.