Trifoliate leaves. The central leaf has a longer petiole than the others. Small cluster of yellow flowers that mature into a black fruit cluster. Indicates low fertility.

Leaves have smooth surfaces and spiny margins. Pink to purple flowers. Aggressively spread from rhizomes. Initially established from seed.

Prostrate, mat-forming growth habit. Leaves and stems are thick and succulent. Stems are often purplish red. Small yellow flowers.

Kidney-shapes leaves with rounded teeth on edges, with square stems. Belongs to the mint family, causing a minty odor when mowed. Spreads by stolons. Purplish blue flower petals.

Opposite, green leaves often with a maroon blotch. Hairy pinkish stems that exude a milky sap when broken. Small white flowers. Found in thin turf.

Trifloiate leaves with or without wedge shaped mark. Each leaf has short petiole. Flowers are white and turn pink as they age.  Indicates low fertility.

Rosette growth habit with elliptical to oval-shaped leaves. Leaves are usually smooth with light green petioles. Leaves appear waxy.

Circular to kidney shaped leaves with shallow lobes & toothed margins. Whitish five petaled flowers. 

Leaves have distinct wavy margins that form into irregular 'toothed' appearance. Bright yellow flowers transform into globe-like, grayish white seedheads.

Prostrate growth habit with branched stems. Leaves are alternately arranged. Small white flowers are barely visible. Found in compact soils next to drives and sidewalks. 

Prostrate growth habit as plant tiller in summer. Leaf blades and sheaths are smooth with few fine hairs. Seedhead is digitate with 3-5 finger-like spikes. 

Low growing plant with heart shaped shiny leaves. Plants spread by rhizomes & seed. Violet like flowers. Commonly found in thin turf often in shady areas.