Genus Aethusa is a group of plants belonging to the Apiaceae family. It is commonly known as fool's parsley, and its scientific name is Aethusa cynapium. Some synonyms for this plant include poison parsley, dog poison, wormseed, and small hemlock. Despite its attractive appearance, the plant can be highly toxic and should not be consumed by humans or animals. It is often mistaken for actual parsley, and its similarity to other plants in the Apiaceae family can make identification difficult for those who are not knowledgeable about botany. When encountering any unfamiliar plant, it is important to exercise caution and seek expert advice before consuming or handling it.