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Species library › Agaricus › Agaricus abruptibulbus
Fungi Little published: much of this is inferred from related species

Agaricus abruptibulbus

Flat-bulb mushroom

A woodland Agaricus of the A. silvicola group, named for the abruptly bulbous stem base; many mycologists now fold the name into A. silvicola. It is a leaf-litter saprotroph of woods and grassy edges. It is not a cultivated species and it accumulates cadmium, so treat any home attempt as an experiment rather than a food crop.

Agaricus abruptibulbus
Photo: CC BY-SA 3.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Very humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest period

Where it grows wild

Woodland floors and grassy clearings, fruiting from humus and leaf litter. It decomposes organic matter rather than forming mycorrhizae.

Lowland to submontane. Recorded elevations span 20–1609 m, median 570 m (30 records).

North AmericaEuropeTemperate Asia

🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.