Yellow belongs to boletus, which should be a kind of colloidal boletus, more like acidophilic boletus, and should be edible. I provide information, please compare it carefully. The second possibility is Nenmabu, and it is best to give a cross-sectional comparison. The handle of puffball is tough, the upper part of the lid is soft, there is no bacterial fold structure, and the mushroom has a strong smell and no peculiar smell, so it can be eaten.

(gyro-shaped Mabo)

Boletus acidophilus ：

The fruiting body is small to medium. The cap is 3.5- 10cm in diameter, hemispherical to oblate, with a layer of mucus, smooth, white at first, yellow to grass yellow soon, and light pink brown when old. Mushroom meat is light yellow and white with sour taste. The bacterial tube layer is lemon yellow to ochre yellow, and the bacterial tube is yellow and small. The stalk is 4- 10cm long and 0.5- 1cm thick, nearly cylindrical, solid, almost white at first, pink or brown later, with glandular spots. There is a fungus ring on the upper part of the stem. Spores are brown-blue.

In summer and autumn, it grows in groups in pine trees, fir trees and other forests.

Distributed in Sichuan, Liaoning and Tibet.