Cat's-ear is a common name for a type of wildflower found across Europe, North America and Asia. This plant has a yellow flower that resembles a cat's ear. It is also known by a variety of other names, including "Hypochaeris radicata," "ram's horn," "flatweed" and "false dandelion." These names reflect the plant's physical characteristics, growth habits and geographic origins. While you may encounter the term "cat's-ear" more frequently, it is always worth familiarising yourself with other synonyms for this useful plant as doing so can help expand your plant knowledge and appreciation.