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Hygrocybe acutoconica

Persistent Waxcap

Hygrocybe acutoconica — 2026-09-22
Scientific identification
Hygrocybe acutoconica (Clem.) Singer
Family
Hygrophoraceae
Class
Agaricomycetes
Genus
Hygrocybe

Names across languages

  • English: Persistent Waxcap
  • German: Safrangelber Saftling
  • Finnish: Suippuvahakas
  • Estonian: Kollane vesinutt
  • Russian: Гигроцибе остроконическая

The scientific profile

From the latest record: 2026-09-22.

Hymenium

Gills broad, moderately spaced; pale yellow to lemon-yellow, becoming yellow-orange with maturity

Cap

Sharply conical to conical-campanulate, later broadly conical with pointed umbo; smooth, viscid when moist; lemon-yellow, golden-yellow; margin translucent-striate and often splitting with age

Hymenium Attachment

Adnexed to free

Stipe

Slender, cylindrical, sometimes twisted or longitudinally grooved; yellow to orange with a whitish base; smooth to finely fibrillose; ring absent

Spore print

Spore print white

Description

Symbiotic with higher plants and mosses; associated with unimproved nutrient-poor grasslands, meadows; neutral to calcareous soils; solitary or scattered; summer to late autumn

Edibility

Not recommended

Fruit body

Fruit body small to medium; stipe ~2–8(–13) cm long and ~0.3–1.2 cm thick

Dimensions

Cap ∅ ~1–6 cm

Flesh

Yellowish, thin and fragile, does not blacken

Chemical reactions

KOH negative on cap surface

Odour

Indistinct

Taste

Indistinct

Microscopy

Spores ellipsoid, smooth, hyaline, inamyloid, ~9–12 × 5–7 µm; basidia predominantly 4-spored; hymenial cystidia absent; lamellar trama parallel; pileipellis an ixocutis

Overview

Persistent yellow-orange conical waxcap that does not blacken

1951). Lilloa 22: 153 (’1949′).

Field encounters

22/Sep/2026 (🌅🌇), 2:42 PM

Soodla forest, Anija, Harju, Eesti

Mixed (conifer dominant) forest woodland edge damp waxcap grassland, in sandy soil

59°23'15.3"N 25°23'43.2"E

🌡️ 14°C ⛅ Scattered clouds 💨 Wind 40° NE->SW, 20 km/h

Original Instagram post

Source hashtags

#hygrocybeacutoconica #mushroomphotos #fungimacro #persistentwaxcap #naturephotography

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