1, Appearance: mouse's ear is a common weed with perennial and annual forms. There are broad leaves, similar in shape to a mouse's ear, and the edges of the leaves are jagged. Whereas, horse chestnut is a plant and a common weed or vegetable. Has fleshy leaves that are ovate or obovate, green or red in color.

2, planting habits: mouse's ear grows in fertile soil, riverbanks, farmland and open fields and other environments, and is widely adaptable to soil conditions. It is a weed that can compete with crops and bring some harm to farmland. Amaranth, on the other hand, prefers moist environments and often grows in vegetable plots, flower beds, fields and roadsides, and is sometimes cultivated artificially as a vegetable. It can also survive in hot and dry conditions.

3, ecological function: the mouse ear has a certain interaction with the soil, can absorb nutrients and water in the soil, and help to improve soil fertility. It has a certain degree of resistance, such as a certain degree of tolerance to drought and high temperature. And the amaranth has a strong drought resistance, adaptability, able to grow in barren and dry environment.