Their purple flowers have dark mottled spots and support ... common selfheal or healall (Prunella vulgaris) is a creeping lawn weed that outmaneuvers turfgrasses growing on shaded sites.

Another creeping weed that can take over your yard is ... It has leaves shaped like teardrops, yellow flowers, and red or purple stems. The weed remains low to the ground, but can spread out ...

The weed which is hardest to tell apart from creeping oxalis is horned oxalis (Oxalis corniculata), which looks just like a larger version of creeping oxalis. It has leaves, stolons and flowers all ...