Suaeda salsa, scientific name Suaeda salsa, is edible and has two colors: green and red. When the soil salt content exceeds 0.3%- 1%, Suaeda salsa can thrive, the whole plant is yellow-green, green or dark green, and the plant is tall and lush. When the salt content is 1%- 1.6,

Suaeda salsa is too alkaline to be eaten, but the whole grass is used as medicine, and it is still the raw material for alkaline production by indigenous method; Normal green.

The main differences in identification are as follows: Suaeda salsa seedlings, commonly known as "Y-bar", grow into "Artemisia scoparia", with linear, cylindrical and smooth leaves and dense and orderly arrangement;