New insights into the hybrid origin of Malus toringoides and its close relatives based on a single-copy nuclear gene SbeI and three chloroplast fragments
Liang TANG, Ju LI, Si TAN, Ming-Xia LI, Xiang MA, Zhi-Qin ZHOU
J Syst Evol . 2014, (4): 477 -486 .  DOI: 10.1111/jse.12079