Tremella mesenterica

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Tremella mesenterica
Scientific classification
Kingdom: Fungi Division: Basidiomycota Subdivision: Hymenomycotina Class: Heterobasidiomycetes Order: Tremellales Family: Tremellaceae Genus: Tremella Species: T. mesenterica
Binomial name
Tremella mesenterica Retz. & Fr.

Tremella mesenterica (common names include yellow brain fungus, golden jelly fungus and witch's butter) is a jelly fungus that grows commonly on rotting wood, especially gorse. It is not considered edible, though it can be cooked in soups, or used as a substitute for Jew's Ear fungus.

Its close relative, snow fungus, T. fuciformis, is commonly used in Chinese cuisine, and witch's butter is also used as a tough substitute for snow fungus.