TY - J Syst Evol A1 - Li Jian-Xiu, Li Feng T1 - A New Species of Dryopteris from Shandong Y1 - 1988-10-18 JF - Journal of Systematics and Evolution JO - J Syst Evol SP - 406 EP - 407 VL - 26 IS - 5 UR - https://www.jse.ac.cn N1 - ER -