The malignant weeds in lawn were Alternanthera philoxeroides, Digitaria sanguinalli, Cynodon dactylon, Trifolium pretense, Hydroctyle sibthorpiodes, Cyperus rotundus, Eleusine indica, Imperata cylindrical, Kyllinga brevifolia and Oxalis corniculata.

• 其中，空心莲子草、马唐、狗牙根、三叶草、天胡荽、香附子、牛筋草、白茅、水娱蚣、酢浆草等10种杂草为草坪上的恶性杂草，对草坪危害最大。