Galinsoga quadriradiata is a species of flowering plant in the family Asteraceae which is known by several common names, including shaggy soldier, Peruvian daisy, hairy galinsoga. Despite the common name, the plant's native home is apparently central Mexico, although it has become an introduced species in many other places (North and South America, Europe, Japan, Philippines, the northern India, Nepal, etc.). It is sometimes considered a weed.