D.  Chen, Zhang, X., Kang, H., Sun, X., Yin, S., Du, H., Yamanaka, N., Gapare, W., Wu, H. X., and Liu, C., ?Phylogeography of Quercus variabilis Based on Chloroplast DNA Sequence in East Asia: Multiple Glacial Refugia and Mainland-Migrated Island Populations?, PLoS ONEPLoS ONE, vol. 7, p. e47268, 2012.