Pilosella Officinarum is a medicinal plant that belongs to the Asteraceae family. It has been used for centuries as a natural remedy for various ailments. The plant is also known by several other names, including Hawkweed, Mouse Ear, Mouse-ear Hawkweed, Small Hieracium, and Hieracium pilosella. These synonyms are often used interchangeably to refer to the same plant species. The common name "Hawkweed" derives from the belief that the plant was a favored food of hawks, while "Mouse Ear" refers to the plant's fuzzy leaves, which resemble mouse ears. Regardless of its name, Pilosella Officinarum is widely used today for its natural anti-inflammatory and diuretic properties.