Potentilla reptans, known as the creeping cinquefoil, European cinquefoil or creeping tormentil, is a plant in the Rosaceae family.
It is a creeping perennial plant native to Eurasia and Northern Africa and naturalized elsewhere. Its trailing stems root at the nodes. Leaves are borne on long stalks. It blooms in June - August with yellow flowers (about 2 cm in diameter) that have 5 heart-shaped petals. It is quite common. Could be easily confused with silverweed. The butterfly known as the Grizzled Skipper is known to favour this plant which is often found growing in crushed masonry in the South of England.