Hypsizygus marmoreus

Beech mushroom

Hypsizygus marmoreus is the name long used for the cultivated beech mushroom (buna-shimeji); Wikipedia now treats it as a synonym of H. tessulatus, though GBIF still lists it separately. It decays hardwood in north temperate forests and is grown on supplemented sawdust with a long maturation and a cold shock.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal rest

Where it grows wild

Singly or in clusters on dead or living hardwood trunks and logs, often beech, maple or elm, sometimes high on the trunk.

Recorded at 55–4491 m, median 600 m (29 records); the 4491 m value is implausible for a hardwood decayer and is probably a georeferencing error.

North AmericaEast AsiaNorthern EuropeRussia

🔒 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 Hypsizygus

Hypsizygus ulmarius Hypsizygus elongatipes Hypsizygus ligustri Hypsizygus tessellatus Hypsizygus tessulatus

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its Public domain licence, unmodified.