Gray vegetables edible Grifola frondosa, also known as Grifola frondosa, also known as wild Grifola frondosa and Polygonum multiflorum, belongs to the genus Panicum of Chenopodiaceae. Mainly born in the field, on the edge of the ground, beside the road, in front of and behind the house. Grifola frondosa seedlings and tender stems and leaves are edible, delicious, tender and nutritious. It also contains special substances such as volatile oil and Chenopodium album. Because the growth characteristics of grey cabbage are wild, there are no human factors affecting its growth, and it is a kind of green food with high nutritional value, worthy of the name.