TY - J Syst Evol A1 - Xiao-Yan Liu, Sheng-Lan Xu, Meng Han, and Jian-Hua Jin T1 - An early Oligocene fossil acorn, associated leaves and pollen of the ringā€cupped oaks (Quercus subg. Cyclobalanopsis) from Maoming Basin, South China Y1 - 2019-03-01 JF - Journal of Systematics and Evolution JO - J Syst Evol SP - 153 EP - 168 VL - 57 IS - 2 UR - https://www.jse.ac.cn N1 - 10.1111/jse.12450 ER -