Mummenhoffia alliacea

Mummenhoffia alliacea (syn. Thlaspi alliaceum), the garlic pennycress or roadside pennycress, is a species of flowering plant in the family Brassicaceae. It is native to central and southern Europe, and Anatolia, and has been introduced to the United Kingdom and the eastern United States. An erect plant usually 25 to 65 cm tall, it is typically found on roadsides, fields, and other disturbed situations.