TY - Bulletin of Botanical Research A1 - ZHANG Min;LUO Kai-Ge;LI Hong;ZHANG Lei;WANG Li* T1 - Analysis on Composition of Pollen Exine and Pollen Morphology in Five Species of Gymnosperm Y1 - 2014-03-20 JF - Bulletin of Botanical Research JO - Bulletin of Botanical Research SP - 194 EP - 199 VL - 34 IS - 2 UR - https://bbr.nefu.edu.cn N1 - 10.7525/j.issn.1673-5102.2014.02.009 ER -