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Lichenomphalia umbellifera

lichen agaric

Lichenomphalia umbellifera — 2025-06-07
Scientific identification
Lichenomphalia umbellifera (L.) Redhead, Lutzoni, Moncalvo & Vilgalys
Family
Hygrophoraceae
Class
Agaricomycetes
Genus
Lichenomphalia

Names across languages

  • English: lichen agaric
  • German: Gefalteter Flechtennabelin
  • Finnish: Poimunapalakki
  • Estonian: Turba-sõlgsamblik
  • Russian: Лихеномфалия зонтиконосная

The scientific profile

From the latest record: 2025-06-07.

Hymenium

Gills, pale yellowish to whitish, decurrent (running down the stem), distant, thick-waxy; may fork or form cross-links

Cap

Convex to flat with a distinctly depressed center, dull yellowish to brownish-tan; thin, moist (lubricous), margin becomes wavy or pleated

Hymenium Attachment

Decurrent

Stipe

slender, moist, smooth or with a fuzzy base, pale yellowish-brown to reddish at the apex

Ecology

Ecology: Lichenized basidiomycete (basidiolichen) forming mutualism with green algae (Coccomyxa); grows on moist soil, moss, and rotting conifer wood, spring through fall

Spore print

Spore print white

Edibility

Nonpoisonous but too small

Fruit body

Fruit body small; stipe 1–3 cm long, 1–3 mm thick

Dimensions

Cap: 2–3 cm in diameter

Chemical reactions

No notable reaction found

Odour

Not distinctive

Taste

Mild, indistinct

Microscopy

Spores ellipsoid, smooth, hyaline, inamyloid, ~5–7 × 3–4 µm

Overview

Tiny, lichen-forming agaric—also known as the green‑pea mushroom lichen—with a moist yellow‑tan cap, pale decurrent gills, and slender stipe

2002). Mycotaxon 83: 38.

Field encounters

07/Jun/25, 4:06 PM

Viru raba, Kolga, Harjumaa, Eesti

Mixed forest, near bog area, in sandy dirt with green algae, within pine roots

59°28'16.1"N 25°38'45.1"E

🌡️ 18°C ⛅ Sunbreaks through clouds after some rains

Original Instagram post

Source hashtags

#sonyalpha #lichenomphalia #lichenomphaliaumbellifera #lichenagaric #turbasõlgsamblik #basidiolichen #poimunapalakki #heathnavel #gefalteterflechtennabelin #flechtennabelin #mushroomphoto #fungiphoto #fungimacro #naturephotography #seenefotod #pilzefotografieren #фотогрибов #sieniäkuvia #forestwalk #mycology #fungistudy #mushroomhunt #mushroom #fungi #hygrophoraceae #ediblefungi #seened #pilze

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