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Tremella foliacea

[ Basidiomycetes > Tremellales > Tremellaceae > Tremella ... ]

by Rex Bartlett

You may encounter this odd jelly fungus while searching for late summer or early fall mushrooms, although it may fruit throughout the winter as well. Vaguely similar in appearance to the Jelly Ear, Auricularia auricula, Tremella mesenterica differs in that it forms a tightly packed cluster of many leaf-like lobes. Since a large percentage of its composition is water, it is quite fragile and difficult to get home in one piece.


Ecology: Probably parasitic on the mycelium or fruiting bodies of crust fungi, but possibly saprobic; growing on the decaying wood of hardwoods; summer, fall, and winter (especially in California); widely distributed in North America.

Fruiting Body: Gelatinous; a mass of leaf-like, flattened lobes that are cinnamon brown to purplish brown; without a stem, but arising from a centralized mass of tissue.

Spore Print: Whitish or pale yellowish.

Microscopic Features: Spores 9-12 x 6-9 µ; broadly elliptical or nearly round; basidia longitudinally walled.

REFERENCES: Persoon, 1799. (Smith, Smith & Weber, 1981; Arora, 1986; Lincoff, 1992; Barron, 1999.)

Further Online Information:

Tremella foliacea at MykoWeb


Tremella foliacea

Tremella foliacea

Tremella foliacea

Tremella foliacea

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Bartlett, R. (2005, January). Tremella foliacea. Retrieved from the MushroomExpert.Com Web site: