Cynodon dactylon, Centella asiatica, Cyperus rotundus and Hydrocotyle sibthorpioides were also important weeds and their importance value was over 5%.

• 狗牙根、崩大碗、香附子、天胡荽等杂草为珠江三角洲地区草坪绿地恶性杂草，其重要值均大于5.；00%25。