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Welcome to Mad River Mycology

Sustainably cultivating fresh, locally grown gourmet mushrooms in the heart of the Humboldt County.

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Shop by Mushroom Variety

Explore our selection of fresh, sustainably grown gourmet mushrooms, harvested daily.

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Oyster Mushrooms
Lion’s Mane
Reishi
Chestnuts

Why Buy Local from Mad River Mycology?

Ultra-Fresh Harvests

Grown with Care

Local Roots

Shop All Mushrooms
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