Chen D., Zhang X., Kang H., Sun X., Yin S., Du H., Yamanaka N., Gapare W., Wu H.X., Liu C. Phylogeography of Quercus variabilis Based on Chloroplast DNA Sequence in East Asia: Multiple Glacial Refugia and Mainland-Migrated Island Populations. 2012. PLoS ONE. 7. 10. e47268. 10.1371/journal.pone.0047268.