Analysis of genetic diversity and structure across a wide range of germplasm reveals genetic relationships among seventeen species of Malus Mill. native to China 
GAO Yuan, WANG Da-jiang, WANG Kun, CONG Pei-hua, LI Lian-wen, PIAO Ji-cheng
Journal of Integrative Agriculture . 2021, (12): 3186 -3198 .  DOI: 10.1016/S2095-3119(20)63421-9