It should be edible. Saussurea Tianshan is not Saussurea involucrata, but a fungus; Its name is Saussurea involucrata, which may be similar to Saussurea involucrata in appearance and color, and it is euphemistically called Saussurea involucrata. Edible fungi refer to a kind of fungi that can be eaten by human beings and can form large fleshy, colloidal, membranous, leathery, cork or woody fruiting bodies or sclerotia. Usually also called mushroom, mushroom, mushroom, ear, cheese and so on.