Lamb's lettuce is a leafy green vegetable that is also known by different names depending on the region. In Europe, it is called mache, corn salad or field salad. In the United States, it is known as fetticus or Rapunzel. Other names for lamb's lettuce include lamb's tongue, milky tassel, and nutsedge lettuce. This versatile vegetable is high in vitamins and antioxidants, making it a popular ingredient in salads, soups, and stews. Lamb's lettuce has a mild, nutty flavor that pairs well with other vegetables, fruits, nuts, and dressing. Whatever you choose to call it, lamb's lettuce is a healthy and delicious addition to any dish.