Death Cap vs Horse Mushroom
Amanita phalloides and Agaricus arvensis are confused for one another often enough to be worth putting next to each other.
The deadliest mushroom in the world — responsible for most fatal poisonings. Amatoxins destroy the liver, and symptoms are delayed 6–24 hours.
Large meadow Agaricus smelling of aniseed. Distinguished from the Yellow Stainer by that pleasant smell.
Side by side
| Amanita phalloides | Agaricus arvensis | |
|---|---|---|
| In this game | Poisonous | Edible |
| Habitat | Broadleaf woodland, mycorrhizal with oak, beech and chestnut; also under planted oaks in parks. | Pasture, meadows, verges and lawns, often near nettles. |
| Season | Late summer to late autumn. | Summer to autumn. |
| Spore print | White. | Chocolate-brown. |
The recorded spore prints differ: white for Amanita phalloides, chocolate-brown for Agaricus arvensis. That is one documented difference, not a test you can pass.
This comparison cannot make a mushroom safe to eat. It sets out the few characteristics this game records, in general terms, for two species that vary by region, age and growing conditions. Real specimens overlap in ways no table and no photograph can separate, and the deadly one here is deadly in a single meal. Ask a qualified local expert, every time.
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Amanita phalloides is also confused with Destroying Angel, Field Mushroom and Charcoal Burner.
Agaricus arvensis is also confused with Yellow Stainer, Destroying Angel, Livid Entoloma and Field Mushroom.
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