Potentilla anserina, a creeping plant with silvery hairs on its leaves. Its many names include Wild Tansy, Prince's Feathers, Trailing Tansy, Wild Agrimony, Goosewort, Silvery Cinquefoil, Goose Tansy, Travelerís Joy, More Grass and Wild Agrimony.
Silverweed is a flowering perennial plant in the rose family Rosaceae. It is native throughout the temperate Northern Hemisphere, often on river shores and in grassy habitats such as meadows and road-sides. The plant was formerly classified in the genus Potentilla but has recently been reclassified into the new genus Argentina.