Pleurotus romellianus

An unusual small pleurotoid fungus described by Albert Pilát in 1935 from Lars Romell's Swedish collection. It grows on the ground among low mosses rather than on wood. Later collections come from the margin of a pasture at Femsjö in Småland. Its soil habit makes it an unlikely true oyster, and nobody is known to cultivate it.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

On bare sandy soil among low mosses (Ceratodon purpureus), rotting bits of wood, old manure, dead grass and live heather (Calluna), at the edge of a pasture. The type was on moss at the base of a tree trunk in Uppland.

Lowland southern Sweden, roughly 100–200 m.

Sweden

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