Based on four field investigations in July-September from 2004 to 2007 and reference data, the characteristics of wetland flora in whooper swan nature reserve in Rongcheng of Shandong were analyzed.

• 摘要在2004-2007年每年的7-9月4次实地调查及参考相关资料基础上，分析了山东荣成大天鹅自然保护区湿地植物区系的特征。