TY - Bulletin of Botanical Research A1 - YANG Mei-Ling;YAN Xiu-Na;YU Wei-Wei;LONG Hong;YAN Guo-Rong* T1 - Characteristics of Leaf Anatomical Structure of Malus sieversii in Different Geographical Distribution and Plant Age Y1 - 2015-07-20 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 509 EP - 514 VL - 35 IS - 4 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2015.04.006 ER -