American Wormseed, also known as Chenopodium ambrosioides, is an herbaceous plant with a pungent scent that is commonly used for medicinal purposes. It has a number of synonyms, including epazote, wormseed, Jesuit's tea, Mexican tea, stinkweed, and goosefoot. The plant is native to Central and South America but has spread throughout the world, and is known for its ability to repel insects and parasites. American Wormseed has a long history of use in traditional medicine to treat a variety of ailments, including digestive problems, fever, and intestinal worms. The various synonyms for American Wormseed reflect the plant's global reach and many uses.