Tremella parmeliarum

A tiny jelly fungus that parasitises the foliose lichen Parmotrema reticulatum, forming brownish galls 0.4–4 mm across on the lichen thallus. It is recorded on every continent except Antarctica. It cannot be cultivated; these notes describe the host's habitat rather than a growing method.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity —Band in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Galls on the thallus of the lichen Parmotrema reticulatum on bark and rock in humid, open woodland.

Recorded at 0–1405 m, median 633 m (19 records).

EuropeMacaronesiaNorth AmericaCentral AmericaCaribbeanSouth AmericaMadagascarTropical AsiaAustraliaPapua New Guinea

🔒 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

Tremella mesenterica Tremella fuciformis Tremella cetrariellae Tremella exigua Tremella globispora Tremella versicolor Tremella anaptychiae Tremella diaporthicola Tremella fibulifera Tremella steidleri Tremella tubulosae Tremella wrightii All 271 →

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.