%0 Journal Article %T Exploring Species Limits in Two Closely Related Chinese Oaks %A Yan-Fei Zeng %A Wan-Jin Liao %A R¨Śmy J. Petit %A Da-Yong Zhang %J PLOS ONE %D 2012 %I Public Library of Science (PLoS) %R 10.1371/journal.pone.0015529 %X The species status of two closely related Chinese oaks, Quercus liaotungensis and Q. mongolica, has been called into question. The objective of this study was to investigate the species status and to estimate the degree of introgression between the two taxa using different approaches. %U http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0015529