Wyethia is a genus of plants from the family Asteraceae, commonly known as mule's-ears. Some of the synonyms for the word wyethia include Balsamorhiza, which is another genus of plants within the same family, and Cacalia, which is a genus of flowering plants from the sunflower family. Other synonyms for wyethia include the common names of various species within the genus, such as bitterroot mule's-ears, Nevada mule's-ears, and white-rayed wyethia. Mule's-ears are typically found in North America, and their flowers are known for their large, yellow petals and striking beauty.