TY - J Syst Evol A1 - Zhi-Kun WU,Chang-Qin ZHANG T1 - Comparative study of pollination biology of two closely related alpine Primula species, Primula beesiana and P. bulleyana (Primulaceae) Y1 - 2010-03-02 JF - Journal of Systematics and Evolution JO - J Syst Evol SP - 109 EP - 117 VL - 48 IS - 2 UR - https://www.jse.ac.cn N1 - 10.1111/j.1759-6831.2010.00069.x ER -