Genus Hypochoeris refers to a group of herbaceous plants commonly known as cat's ears or smooth cat's ear. These plants belong to the Asteraceae family, and are native to Europe and western Asia. There are several different synonyms for Genus Hypochoeris, including Hypochaeris, Pilosella, and Hieracium. These synonyms are used to refer to different species within the same genus. The plants in this genus are known for their yellow, dandelion-like flowers and their hairy leaves. They are often used in traditional medicine for their diuretic and anti-inflammatory properties, and some species are also used as a source of food for wildlife.