Deadly Fibrecap vs Fairy Ring Champignon
Inocybe erubescens and Marasmius oreades are confused for one another often enough to be worth putting next to each other.
Very high muscarine content: sweating, salivation, tears and collapse within 30 minutes.
Tough-stemmed lawn mushroom with a good flavour — but it shares its fairy rings with deadly Clitocybe species.
Side by side
| Inocybe erubescens | Marasmius oreades | |
|---|---|---|
| In this game | Poisonous | Edible |
| Habitat | Broadleaf woodland and parkland on chalk, especially under beech and lime. | Short grass — lawns, pasture and verges — in the rings that give it its name. |
| Season | Late spring to summer. | Late spring to autumn. |
| Spore print | Dull clay-brown. | White. |
The recorded spore prints differ: dull clay-brown for Inocybe erubescens, white for Marasmius oreades. 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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Inocybe erubescens is also confused with Field Mushroom.
Marasmius oreades is also confused with Ivory Funnel and Fool's Funnel.
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