Comparison of sexual reproductive characteristics of Leymus chinensis populations in two habitats of the Songnen Plain, China

• WANG Yuelin, 
• CHU Lishuang, 
• LIU Lili, 
• FENG Ji, 
• LIU Zhikuan, 
• YANG Yunfei, 
• LAN Lishi, 
• LI Haiyan, 
• YOU Chengcheng