The result of flora index showed that the types of Widespread, N.Temp, and E.Asia &N.Amer. disjuncted distributions extremely influenced the characteristic of Thuja sutchuenensis community.

• 区系指数分析表明：世界广布、北温带广布、东亚和北美间断分布对崖柏群落种子植物区系性质影响极大。