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Edibility
Edible
Lookalike Danger
1 / 5
Habitat
🌳 Oak base
Season
Jul – Sep
"Can grow to 3 feet across. Appalachian giant. Young edges cook up tender — old centers are wood."
Mushroom ID is a rule-out game. Every entry below describes something that looks similar — learn the differences before eating.

Berkeley's polypore has LARGER, LIGHTER, more leathery leaves and can be TOUGH to inedible. Hen of the woods has SMALLER, DARKER gray-brown fronds in a tighter rosette and stays tender.
This species is found with or partners with the following hosts. Ectomycorrhizal hosts (green border) form a root-level partnership; ericoid / arbutoid shrubs (purple border) share the same mycorrhizal networks.

Truffle / bolete / chanterelle host. Acorns edible after leaching.
Enormous cream-colored polypore at the base of living oaks — can reach 2 feet across and 40 lb. Pleasant flavor when young; gets tough and peppery with age. A single specimen can feed many meals.
Living oak bases across eastern North America. Summer through fall.
Min Soil Temp
55°F
Moisture Need
rain 0.5in 7d
Drought Tolerance
moderate
Elevation Range
0–6,684 ft
Edible. Stains black; Berkeley's does not.
Oak base
Photograph it and log your observation on iNaturalist. The community can help confirm your ID — always get confirmation before eating.