Agaricus brunneofibrillosus

Dusky mushroom

A brown-fibrillose Agaricus of coastal California whose flesh bruises bright red. It fruits in late autumn and winter in deep leaf litter under Monterey cypress, and was split from the European A. fuscofibrillosus in 2016. It is edible, but nothing is published on cultivating it.

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

Scattered or in groups in deep leaf litter under Monterey cypress, rarely under other trees.

Few records carry an elevation; a coastal lowland species.

Western North America

🔒 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.