Tree Tongue

Looking at the picture, it should be tree tongue, which is also called old cow liver, tree fungus or flat-covered ganoderma lucidum.

Tree tongue and ganoderma lucidum belong to the same family of ganoderma lucidum, tree tongue is usually sessile, while ganoderma lucidum has a stalk. In addition, the shell of the tongue is softer, most of the surface is gray-brown or brown and gray, and accompanied by uneven protrusions, while the shell of Ganoderma lucidum is harder, most of the surface is reddish-brown or purplish-black, and accompanied by luster. In addition, the growing environment of the two is also different. Tongue grows on living trees or dead wood, while Ganoderma lucidum grows on roots or decayed wood.

Tongue is also used as a medicine, generally for boosting immunity and anti-cancer treatment.

Moldy and poisonous tree trunks should not be used. Such as oak, lacquer wood.