Support MycoNote →

MycoNote

How to tell Field mushroom from Fool's funnel

How they differ, how to recognize them and which is more dangerous — a mushroom comparison

Warning: Fool's funnel(Clitocybe rivulosa)

The short answer

Field mushroom and Fool's funnel look alike, so they're easy to mix up — but Field mushroom is edible, while Fool's funnel is poisonous. The main visible difference: season: Field mushroom — spring, summer, autumn, Fool's funnel — summer, autumn. The mushrooms also differ in the following features: use, size, cap color. If you have even the slightest doubt, leave the mushroom be.

Fool's funnel (Clitocybe rivulosa)

Fool's funnel

Clitocybe rivulosa

PoisonousExpert-verified
Field mushroom (Agaricus campestris)

Field mushroom

Agaricus campestris

EdibleExpert-verified

📊 Comparing characteristics

⚠ Highlighted rows are the key differences between the edible and the dangerous mushroom

Comparison of characteristics: Fool's funnel and Field mushroom
⚠ Edibility class

Fool's funnel

Poisonous

Field mushroom

Edible
⚠ Season

Fool's funnel

SummerAutumn

Field mushroom

SpringSummerAutumn
⚠ Use

Fool's funnel

Not eaten

Field mushroom

CulinaryCook freshFreezing
⚠ Size

Fool's funnel

Small (up to 5 cm)

Field mushroom

Medium (5–15 cm)
⚠ Cap color

Fool's funnel

WhiteCreamPink

Field mushroom

WhiteCream
⚠ Cap shape

Fool's funnel

Flat

Field mushroom

ConvexFlat
⚠ Cap surface

Fool's funnel

Smooth

Field mushroom

DrySmooth
⚠ Taste

Fool's funnel

Mild

Field mushroom

Mild
⚠ Smell

Fool's funnel

Floury

Field mushroom

Pleasant, mushroomyAnise
⚠ Flesh color change

Fool's funnel

No change

Field mushroom

Reddening
Hymenophore

Fool's funnel

Gilled

Field mushroom

Gilled
⚠ Stem

Fool's funnel

Central

Field mushroom

CentralSolid
⚠ Ring (veil)

Fool's funnel

No ring

Field mushroom

Ring present
Volva

Fool's funnel

No volva

Field mushroom

No volva
Substrate

Fool's funnel

Soil

Field mushroom

Soil
Nutrition type

Fool's funnel

Saprotroph

Field mushroom

Saprotroph

📅 Seasonality

Fool's funnel

Fruiting season

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

August – November

Field mushroom

Fruiting season

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

May – October

🔬 Morphology

Cap

Fool's funnel

The cap is 2-5 cm across, convex in young mushrooms, becoming flat and spread out or slightly funnel-shaped with a thin wavy margin. The color is whitish to cream, with characteristic pinkish-cream concentric zones or streaks from the center to the margin — a diagnostic feature. The surface is silky-matte; in wet weather the skin is somewhat sticky.

Field mushroom

Cap 5–15 cm across, spherical in young mushrooms, then flat or slightly umbonate. The surface is white or slightly creamy and cracks in dry weather. Fibrous scales may appear as it matures. The margin is inrolled at first, then straight.

Hymenophore

Fool's funnel

Gilled hymenophore. The gills are crowded and thin, decurrent down the stem (a feature typical of the genus Clitocybe). Whitish to pale pink. The spore print is white.

Field mushroom

Gills free (not reaching the stem), crowded, delicate pink at first, then bright pink, and chocolate-brown or blackish in mature mushrooms. The pink color of the gills is a key safety feature that distinguishes the field mushroom from poisonous species with white gills.

Stem

Fool's funnel

The stem is 2-5 cm tall, 0.4-0.8 cm thick, slender, cylindrical, often curved. Whitish to cream, with white mycelial fuzz at the base. The surface is smooth, with no ring.

Field mushroom

Stem 4–8 cm tall, 1–2 cm thick, cylindrical, solid, straight. White in color. A characteristic firm membranous ring in the middle of the stem. No volva.

Flesh

Fool's funnel

The flesh is thin, white, watery and brittle. It does not change color when cut. A faint, sweetish smell and mild taste — dangerously "normal".

Field mushroom

Flesh firm, white, turns slightly pink when cut or stays unchanged. It does not turn yellow (yellowing is a sign of poisonous species). The taste is pleasant and richly mushroomy.

Smell

Fool's funnel

Faint, sweetish and not distinctive. Nothing alarming. The taste is mild. Neither smell nor taste gives away that it is poisonous.

Field mushroom

Smell pronounced, anise-almond with mushroomy notes. This is one of the most aromatic wild mushrooms. With cooking the aroma intensifies and can dominate the dish.

📍 Habitats

Fool's funnel

MeadowField

Field mushroom

MeadowField

👀 Similar mushrooms — don't mix them up!

❓ Frequently asked questions

Can Field mushroom and Fool's funnel be mixed up?
Yes. These species look alike, and Fool's funnel is poisonous, so a mistake is dangerous. Pay attention to the season, use, size.
How to tell Field mushroom from Fool's funnel?
The main differences: season: Field mushroom — spring, summer, autumn, Fool's funnel — summer, autumn; use: Field mushroom — culinary, cook fresh, freezing, Fool's funnel — not eaten; size: Field mushroom — medium (5–15 cm), Fool's funnel — small (up to 5 cm). As for edibility: Field mushroom is edible, Fool's funnel is poisonous. The full table of characteristics is higher up on this page.
Which is more dangerous — Field mushroom or Fool's funnel?
More dangerous: Fool's funnel, which is poisonous. Field mushroom is edible. If you have even the slightest doubt, don't pick the mushroom.
Is Fool's funnel edible?
Fool's funnel — poisonous. It must not be picked or eaten.
When do Field mushroom and Fool's funnel grow?
Field mushroom — May–October; Fool's funnel — August–November.

Sources

  • [1]Вікіпедія (українська)
  • [2]Атлас грибів України, Зеров Д.К. (1979)
  • [3]MycoBank Database
  • [4]Index Fungorum
  • [5]GBIF
  • [6]iNaturalist Ukraine