How to tell Clouded funnel from Ivory funnel

The cap is large: 8-20 cm across, hemispherical to convex in young mushrooms, with an inrolled margin, later flattening out with a small bump in the center. The color is smoky gray, mouse-gray, darker in wet weather and lighter in dry weather. The surface is silky-matte, with a thin whitish bloom (as if dusted with flour). The cap margin is often wavy and curled downward.

Cap 2-5 cm across, convex when young, becoming funnel-shaped over time, with a depressed center and a thin wavy margin. Color whitish, cream, with pale gray or ochre patches; silky-sheened in wet weather, chalky white when dry. Surface smooth, with barely visible radial streaks.

The underside has gills. The gills are crowded, thin, decurrent down the stem. Whitish to cream, turning cream-ochre with age. The spore print is white to pale cream. The gills detach easily from the cap — a characteristic feature of the genus.

Gilled hymenophore. Gills crowded, thin, decurrent down the stem (a hallmark of the genus Clitocybe). Color whitish to cream. Spore print white.

The stem is sturdy: 5-10 cm tall, 2-4 cm thick, cylindrical or thickening toward the base. White to dirty grayish-cream. The surface is lengthwise fibrous, with white mycelial fuzz at the base. No ring. The stem flesh is firm, becoming hollow with age.

Stem 2-4 cm tall, 0.3-0.8 cm thick, slender, cylindrical, often curved. Color whitish to cream, with white mycelial fuzz at the base. Surface smooth, no ring. Stem flesh firm.

The flesh is thick and white, firm in young mushrooms and looser in old ones. It doesn't change color when cut. It has a distinct mealy smell and a mild taste.

Flesh thin, white, watery, brittle. Does not change color when cut. It has a faint, pleasant smell (slightly sweet, or mealy according to some guides) and a mild taste — and that is what makes this species so treacherous: it smells and tastes "right", nothing sets off alarm bells.

Strongly mealy, with a hint of cucumber — typical of the species. In old mushrooms it's sourish and unpleasant. The smell is so distinctive that it's used as a diagnostic feature for identification in the field.

Faint and indistinct, slightly sweet; some guides describe it as mealy. This adds to the danger: the smell raises no suspicion. Never rely on smell when identifying mushrooms of this size.