Tremella steidleri
Brown brain
A brown, brain-like jelly fungus that parasitises Stereum crust fungi on dead oak and other hardwood branches. It is found in central Europe and especially Britain. It is not cultivated.
At home, aim for
Day
Cool-growingTargets in Plantistry
Night
Close to the dayTargets in Plantistry
Humidity
Very humid airBand in Plantistry
Light
ShadeDLI and PPFD in Plantistry
Expects a seasonal rest
Where it grows wild
A parasite on Stereum fruit bodies on dead branches of broadleaved trees, especially oak.
Recorded at 40–750 m, median 535 m (only 3 records).
United KingdomCentral Europe
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild
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More Tremella
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.