A low-growing clover that spreads by creeping stems and thrives in lawns that aren't getting enough nitrogen.

Look for groups of three leaflets, each with a pale white V-shaped mark near the base. It forms a mat close to the ground with rooting stems, and produces small round white ball-shaped flowers.
Often mistaken for: Black medic (notched leaflet tips, yellow flowers) or yellow woodsorrel (heart-shaped leaflets, yellow flowers)
You'll see it flowering from spring through early fall, but the plant itself can hang around in the lawn year-round.
Shows up in home lawns, especially areas that are mowed short and haven't been fertilized much.

A cool-season weed grass that pops up bright green in winter lawns, then dies off and leaves bare patches by summer.

A winter weed with sharp seed pods that hurt bare feet in spring. It's becoming more common in Triangle lawns.

A bulb weed that pops up bright green in winter lawns and smells like onion when cut.

A tough perennial weed with a taproot that moves into thin, weak turf areas.