Sagittaria macrophylla
 Sagittaria macrophylla common name papa de agua is an aquatic plant species endemic to central Mexico (States of Jalisco Michoacán México Hidalgo and the Distrito Federal) primarily in the region close to the nation's capital. It grows in clean shallow slow-moving water. It is considered threatened by habitat destruction due to urbanization.Sagittaria macrophylla produces underground tubers that are starchy and edible.