Mercurialis Perennis, also referred to as Dog's Mercury, is a perennial herb that is widely distributed in shady places. It is an extremely versatile plant that is well-known for its medicinal and therapeutic properties. In ancient times, it was believed that Mercurialis Perennis possessed magical healing powers and could cleanse the body of toxins and impurities. Some of the popular synonyms for this plant include Mercurio, Dog-Hause, and Mercury Groundsel. Other common synonyms that are used include Common Dog's Mercury, Dog Mercury, and Root of Mercury. These synonyms can be used interchangeably to describe this potent herb and are useful for anyone who wishes to seek its beneficial effects.