The tongues picked by many people are easily mixed with moldy parts. Moldy tree tongue is poisonous. This leads people who do not distinguish between good and bad tree tongues to think that all tree tongues are poisonous.

Good Ganoderma lucidum can be used as medicine.

In fact, in the treatment of liver diseases, the medicinal value of good Ganoderma lucidum is much higher than that of cultivated Ganoderma, and it is even better than wild purple Ganoderma and wild red Ganoderma for liver diseases.

The moldy tree tongue is shown below.