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Infundibulicybe geotropa

Trooping Funnel

Infundibulicybe geotropa — 2026-09-15
Scientific identification
Infundibulicybe geotropa (Bull.) Harmaja
Family
Tricholomataceae
Class
Agaricomycetes
Genus
Infundibulicybe

Names across languages

  • English: Trooping Funnel
  • German: Mönchskopf
  • Finnish: Isomalikka
  • Estonian: Sirge lehtrik
  • Russian: Инфудибулицибе подогнутая

The scientific profile

From the latest record: 2026-09-15.

Hymenium

Gills crowded, broad; whitish to cream when young, pale buff to yellowish with age

Cap

Convex when young with a prominent central umbo, then flat to deeply funnel-shaped; smooth to finely felted; cream, buff, pale ochre to tan; margin strongly inrolled when young, then wavy

Hymenium Attachment

Strongly decurrent

Stipe

Tall, robust, solid to spongy with age, cylindrical to distinctly enlarged toward base; whitish to pale buff, finely fibrillose; white basal mycelium; ring absent

Spore print

Spore print white

Description

Saprobic in leaf and needle litter, humus and grassy woodland soils; woodland edges, parks and grasslands; often in large troops, arcs or impressive fairy rings; late summer to late autumn

Stipe

Good edible when young; stipe too fibrous and tough

Fruit body

Fruit body large; stipe ~6–20 cm long and ~1.3–3 cm thick

Dimensions

Cap ∅ ~5–20(–25) cm

Flesh

White, thick, firm and slightly elastic, unchanging when cut

Chemical reactions

Guaiac slowly dark blue-green on flesh

Odour

Pleasant, sweet-aromatic to bitter-almond-like

Taste

Mild, slightly sweetish

Microscopy

Spores subglobose to broadly ellipsoid or sublacrymoid, smooth, hyaline, inamyloid, ~6–9.5 × 5–7 µm; basidia 4-spored; cystidia absent; pileipellis a cutis; clamp connections present

Overview

Large pale funnel with a central umbo, tall stout stipe and strongly decurrent gills

2003). Ann. Bot. Fenn. 40(3): 216.

Field encounters

15/Sep/2026, 2:45 PM

Kadrioru park, Tallinn, Harju, Eesti

Urban park, within oaks, in grassland forming large fairy ring

59°26'26.5"N 24°47'46.9"E

🌡️ 16°C ☀️ Sunny 💨 Wind 230° SW->NE, 13 km/h

Original Instagram post

Source hashtags

#infundibulicybegeotropa #mushroomphotos #fungimacro #troopingfunnel #naturephotography

Back to the collection · Photography and field notes by @fungarium.info