The main producing areas of silver ear mushroom (white wood ear, Tremella fuciformis) are mainly distributed across Fujian, Sichuan, Yunnan, Guizhou and other places.

Silver ear mushroom, also known as white wood ear or snow ear, is a common gelatinous edible fungus. The dried product is pure white in color with an open, spreading shape, and it is often used in soups and sweet stews. It prefers a warm, humid environment and mostly grows on dead wood of broadleaf trees or on sawdust substrate, so its producing areas are mostly concentrated in regions with a mild, moist climate and relatively abundant forests and water resources.

In terms of distribution, China is the main producing country of silver ear mushroom, with the majority of producing areas in the southern provinces. Fujian, Sichuan, Yunnan, Guizhou, Shaanxi, Hubei and other places all have large-scale cultivation. Among them, Gutian in Fujian and Tongjiang in Sichuan are well-known silver ear mushroom producing areas far and wide; the former is known for its large-scale bag-cultivation, while the latter has a long history of traditional log cultivation of silver ear mushroom.

The quality of silver ear mushroom is closely related to the environment of its producing area. In areas with suitable temperatures, high air humidity and clean water, the silver ear mushroom produced tends to have a plump shape and thick gelatinous texture, becoming soft and swollen after soaking; if the growing environment is too dry or the temperature difference is too great, the fruiting body tends to be thin, and the taste is also somewhat compromised.

When selecting silver ear mushroom, you can pay attention to the place-of-origin information. Silver ear mushroom sold through proper channels generally indicates the place of origin and production method. High-quality silver ear mushroom has a natural pale yellow or milky white color and a faint fresh fragrance when smelled, with no pungent off-odor. After buying it, store it in a cool, dry place to avoid moisture and mold, which can affect the taste when eaten.