Clitocybe dilatata


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By Roger Phillips

Published 2006

Clitocybe dilatata Pers. ex Karsten (illustrated 25% life size) Cap 3–15cm across, convex, becoming flat with a swollen umbo, margin incurved, becoming irregular, upturned, and wavy, often misshapen from overlapping; grey then whitish or chalky; dry, smooth, downy. Stem 50–125Γ—5–20mm, often curved, enlarged towards the base, which is often united with many others to form a large clump; white, bruising darker at base; solid, becoming hollow, finely felty and furrowed, sometimes minutely scaly towards the base. Flesh firm, thicker on the disc; watery grey to whitish; taste unpleasant, smell none. Gills adnate to decurrent, close, narrow then broad; whitish to buff. Spores 4.5–6.5Γ—3–3.5ΒΌ, ellipsoid, smooth; nonamyloid. Spore print white. Habitat in groups or dense clusters, often overlapping, along roads or in sandy soil or gravel; summer to autumn. Not found in Britain. Poisonous.

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