藝術與建築詞典根目錄
....物件層面
........建築環境 (層級名)
............聚落與景觀
................景觀 (環境)
....................自然景觀
........................植被
............................植物群落
................................草原 (植物群落)
|||....................................熱帶乾草原 (草原)
|||....................................草地 (牧地)
|||....................................無樹大草原
|||....................................大草原
|||....................................莽原
................................叢林
|||....................................雨林