Tremella mesenterica

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Tremella mesenterica

8 October 2020 Hampshire. Photograph copyright Leif Goodwin.

Common Name

Yellow Brain Fungus

Fruiting Body

A wrinkled jelly like mass, usually bright yellow to orange, less often white, broadly attached to the substrate

Flesh

Yellow or white, gelatinous, when fresh, hard and brittle when dry

Smell

Indistinct

Taste

Indistinct

Season

All year

Distribution

Very common

Habitat

Parasitic on fungi in the Peniophora genus growing on dead deciduous wood

Microscopic Features

Spores ellipsoidal, smooth (10-16) x (6-10) µm2

Edibility

Inedible

Tremella mesenterica

Spores in Congo Red solution viewed with a x100 immersion objective. Photograph copyright Leif Goodwin.

Tremella mesenterica

A rare white form. 19 October 2007 Buckinghamshire. Photograph copyright Leif Goodwin.