The classification and distribution of the genus Festuca L. in Sinkiang and their significance in steppe formation and animal-husbandry

Chang Dian-Min, Chang Li-Yun, Chang Yung-Sheng, Gao Jian-Sin, Leng Chiao-Zhen, Kuo Ying-Chieh

J Syst Evol . 1978, (2): 93 -105 .