Fungarium.INFO EncyclopediaHome

Entoloma chalybeum

Indigo Pinkgill

Entoloma chalybeum — 2026-09-03
Scientific identification
Entoloma chalybeum (Pers.) Noordel.
Family
Entolomataceae
Class
Agaricomycetes
Genus
Entoloma

Names across languages

  • English: Indigo Pinkgill
  • German: Schwarzblauer Rötling
  • Finnish: Nokirusokas
  • Estonian: Terassinine punalehik
  • Russian: Энтолома стальная

The scientific profile

From the latest record: 2026-09-03.

Hymenium

Gills moderately spaced, rather thick; whitish to pale grey when young, sometimes faintly bluish, becoming dirty salmon-pink with maturity

Cap

Convex to broadly convex, often shallowly umbilicate; finely velvety to minutely squamulose; dark steel-blue, blue-black to purplish-brown, sometimes becoming browner with age

Hymenium Attachment

Adnate to slightly emarginate

Stipe

Slender, cylindrical to slightly flattened or longitudinally grooved; steel-blue to blue-black with longitudinal fibres, often paler toward apex; white tomentum at base; ring absent

Spore print

Spore print pale pink to salmon-pink

Ecology

Ecology saprotrophic(?); unimproved nutrient-poor grasslands, moist meadows, heathland and deciduous woodland; solitary, scattered or gregariously; summer to autumn

Edibility

Inedible, potentially poisonous

Fruit body

Fruit body small; stipe ~3–7 cm long and ~0.2–0.5 cm thick

Dimensions

Cap ∅ ~1.5–5 cm

Flesh

Grey-blue to pale bluish, thin, unchanging when cut

Chemical reactions

No macroscopic reagents reaction

Odour

Indistinct

Taste

Indistinct

Microscopy

Spores heterodiametrical, angular with 5–9 facets, ~8.5–12.5 × 6–8.5 µm; basidia 4-spored; cheilocystidia cylindrical to slender-clavate; pileipellis transitional between cutis and trichoderm; clamp connections absent

Overview

Dark steel-blue pinkgill with a finely velvety cap

1982). Nordic Jl Bot. 2(2): 162.

Field encounters

03/Sep/2026, 6:36 PM

Soodla forest, Anija, Harju, Eesti

Mixed (conifer dominant) forest woodland edge grassland (Pilosella sp.), in sandy soil

59°23'14.7"N 25°23'38.1"E

🌡️ 16°C ⛅ Partly sunny 💨 Wind 240° WSW->ENE, 20 km/h

Original Instagram post

Source hashtags

#entolomachalybeum #mushroomphotos #fungimacro #indigopinkgill #naturephotography

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