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Edibility
Toxic
Lookalike Danger
3 / 5
Habitat
🌲 Birch, pine
Season
Aug – Oct
"The storybook toadstool. Red with white spots — Mario's mushroom. Hallucinogenic and toxic, but iconic."
Mushroom ID is a rule-out game. Every entry below describes something that looks similar — learn the differences before eating.

Fly agaric has WHITE GILLS, WHITE STEM, and a bulbous base with concentric rings. Caesar's amanita has YELLOW GILLS, YELLOW STEM, and rises from a clean white volva cup. Both emerge from a universal veil, but the colors inside the cap diverge quickly.
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.

Chaga, birch bolete, birch polypore host.

Matsutake, slippery jack, suillus host.
Iconic red cap with white spots. Contains ibotenic acid and muscimol. Toxic when consumed raw. Some cultures prepare it with specific detoxification methods, but this requires expert mycological knowledge and is NOT recommended.
Birch, pine, spruce, and fir forests at 5,000-10,000 ft. Mycorrhizal with living trees. Common in disturbed forest edges, clearings, and trailsides. NOT in burns.
Min Soil Temp
50°F
Moisture Need
rain 0.5in 7d
Drought Tolerance
moderate
Elevation Range
0–13,800 ft
More toxic than A. muscaria. Brown cap with white warts. Same toxin class but higher concentration.
Choice edible in Europe — orange cap, yellow gills, no white spots. Does not occur in Colorado.
Birch, pine
Photograph it and log your observation on iNaturalist. The community can help confirm your ID — always get confirmation before eating.