Fool's Funnel
Clitocybe rivulosa
Family: Tricholomataceae
Also called: Fool's Funnel, Sweating Mushroom

Overview
Contains muscarine — severe sweating, salivation, slow heart rate; fatalities recorded. Small white-to-cream funnel-shaped cap in grassy places, often in arcs with the Fairy Ring Champignon (Marasmius oreades). Never pick small white funnels from lawns or pasture.
Season
Aug–Nov — typical fruiting months: Jul, Aug, Sep, Oct, Nov.
Host trees & substrate
- Lawns
- Pasture
- Mown grass
Toxic lookalikes
- Fairy Ring Champignon (Marasmius oreades)deadly
Both grow in lawn arcs. Marasmius has a tough wiry stem and well-spaced gills; Clitocybe rivulosa has a fleshy stem and crowded gills. Beginners must avoid both.
Where it grows
See live fruiting predictions for Fool's Funnel on the forecast home page, or browse the full field guide.
Always confirm wild-mushroom identification with multiple sources and a knowledgeable local expert before consuming. Read the foraging safety guide.