Echinochloa frumentacea
 Echinochloa frumentacea (Indian barnyard millet sawa millet or billion dollar grass) is a species of Echinochloa. Both Echinochloa frumentacea and E. esculenta are called Japanese millet. This millet is widely grown as a cereal in India Pakistan and Nepal. Its wild ancestor is the tropical grass Echinochloa colona but the exact date or region of domestication is uncertain. It is cultivated on marginal lands where rice and other crops will not grow well.