Sonchus Oleraceus, also known as the common sow thistle, is a flowering plant that is often considered a weed. It can be found in fields, gardens, and along roadsides. There are several synonyms for this plant, including the milk thistle, common milkweed, and the wild lettuce. The plant is sometimes called the hare's lettuce because it is a favorite food of rabbits. In some cultures, Sonchus Oleraceus is used for medicinal purposes. For example, in traditional Chinese medicine, it is believed to have anti-inflammatory properties. Overall, Sonchus Oleraceus is a versatile plant with a variety of names and uses.