Ross sedge (Carex rossi) 红苔草rosulate herbage 莲座草本植物rotary hoe=drum shedder 旋转耙
+herbage layer
1 . 草本层
the TWINSPAN classification and DCA ordination were employed for the quantitative analysis of the shrub layer and herbage layer under different stands .利用双向指示种分析法(TWINSPAN)和除趋势对应分析(DCA)对昆嵛山不同林分类型下的灌木层和草本层进行了数量生态学分析。