There is a kind of auricularia auricula in Zizania latifolia, whose function is to promote the growth of Zizania latifolia. When Zizania latifolia grows old and hard, it will form black spores. Therefore, if black spots are found in the cross section or inside of Zizania latifolia, it means that it is old and has been placed for a long time.

The fruit of Zizania latifolia is green, and there are many small white particles in it. It looks beautiful and tastes delicious when fried, and can be made into various delicacies.