Curly dock thrives in moist areas and has wavy leaves. It produces greenish flowers in clusters that turn reddish-brown as they mature. Two-, three- and four-way postemergents are best for weed control.
It's easy to identify English lawn daisies by their flowers with white petals and yellow centers. They leaves are smooth and sometimes hairy. Postemergent herbicides with penoxsulam provide total control.
Common groundsel is easy to spot with its single stem and yellow flowers that bloom almost throughout the year. Herbicides containing isoxaben are the ideal solution for controlling these weeds in lawns.