TY - J Syst Evol A1 - Han Jian-guo, H. T. Clifford, Jia Shen-xiu, Wang Pei T1 - A Cluster Analysis of Seedling Characters of the Gramineae Y1 - 1993-11-18 JF - Journal of Systematics and Evolution JO - J Syst Evol SP - 517 EP - 532 VL - 31 IS - 6 UR - https://www.jse.ac.cn N1 - ER -