The millet assemblage at Xinglonggou consists primarily of broomcorn millet. At Liangchengzhen, rice, foxtail millet, broomcorn millet and wheat were grown. The remains of rice, broomcorn millet, and foxtail millet were discovered at Houli sites. The noodles were made from foxtail and broomcorn millet. The only domesticate not from Southwest Asia was broomcorn millet, domesticated in East Asia. The broomcorn millet is described as being in the early stages of domestication. Over 4,000 years old, the noodles were made from foxtail and broomcorn millet.