Origin of Ostryopsis intermedia (Betulaceae) in the southeast Qinghai–Tibet Plateau through hybrid speciation
Zhi-Qiang LU, Bin TIAN, Bing-Bing LIU, Chen YANG, Jian-Quan LIU
J Syst Evol . 2014, (3): 250 -259 .  DOI: 10.1111/jse.12091