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Edibility
Toxic
Lookalike Danger
4 / 5
Habitat
🪵 Dead conifer
Season
Aug – Oct
"White oyster mimic on conifer wood. Long considered edible — killed 17 Japanese foragers with kidney disease in 2004."
Mushroom ID is a rule-out game. Every entry below describes something that looks similar — learn the differences before eating.

Angel wings (Pleurocybella porrigens) are THINNER, PURER WHITE, and grow only on CONIFER wood. Oysters are THICKER, GRAY-TO-CREAM, and grow on HARDWOODS. Angel wings have caused fatalities in Japan — avoid any pure-white shelf on conifers.
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.

Fallen conifer logs, stumps, and lumber — substrate for red-belted conk, angel wings, cauliflower mushroom, and conifer-specific saprobes.

Generic conifer habitat — pine, spruce, fir, hemlock, or Douglas-fir. Shown when the species is reported from conifers without a specific tree.
Thin white fan-shaped mushroom growing in shingled clusters on conifer wood. Long considered edible until a 2004 Japan outbreak killed 17 people with kidney impairment. Contains a rare amino acid toxin causing acute encephalopathy.
Dead and decaying conifer logs (hemlock, spruce) across the Pacific Northwest and northern hardwood forests. Fall primarily.
Min Soil Temp
50°F
Moisture Need
rain 0.5in 7d
Drought Tolerance
moderate
Elevation Range
0–13,800 ft
Oyster mushrooms grow on HARDWOODS; angel wings on CONIFERS. Oysters have thicker flesh and an anise smell. Multiple fatalities in Japan from the substitution.
Dead conifer
Photograph it and log your observation on iNaturalist. The community can help confirm your ID — always get confirmation before eating.