That familiar yellow-flowered weed with the deep taproot that keeps coming back if you don't out-compete it.

Grows as a flat rosette of deeply notched leaves with no hairs, and sends up one yellow flower on a hollow, unbranched stalk. It's often confused with cat's ear (hairy leaves, branched stalk) and Carolina false dandelion (hairless leaves but a branched stalk).
Often mistaken for: Cat's ear or Carolina false dandelion
Flowers in spring (March through May) and again in fall here in the Triangle.
Shows up in home lawns that are thin or weak, especially where turf has room to open up.

A bulb-forming weed with a strong garlic smell that pops up bright green in dormant lawns and can take years to fully clear.

A winter weed that pops up in thin lawns, often growing right alongside henbit, in late winter.

A spreading perennial weed with a rattlesnake-like tuber that's very hard to get rid of once it settles in.

A tough perennial weed that loves compacted, thin lawns and sticks around all year.