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Moss Bell (Galerina hypnorum)

Moss Bell

Toxic

Galerina hypnorum

Also known as: Bog Bell

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Description

Galerina hypnorum, commonly known as the Moss Bell, is a small, delicate mushroom belonging to the family Hymenogastraceae. It is characterized by its hygrophanous, bell-shaped to convex cap, yellowish-brown to ochraceous coloration, and its preference for growing among mosses, particularly Sphagnum, in damp, boggy, or woodland environments. This species is saprobic, playing a role in the decomposition of organic matter.

How to Identify

Cap
Typically 0.5-2.5 cm in diameter, initially conical or bell-shaped, expanding to convex or plano-convex with age, often retaining a small umbo. The margin is striate when moist and often translucent. Color is hygrophanous, varying from yellowish-brown, ochraceous, or tawny when moist, fading to pale buff or yellowish-tan when dry. The surface is smooth and somewhat greasy when wet.
Gills
Adnate to adnexed, sometimes with a slight decurrent tooth, moderately crowded. Color is initially pale yellowish, becoming rusty brown or cinnamon-brown with age due to spore maturation. Lamellulae are present.
Stem
Slender, 2-6 cm long and 1-3 mm thick, cylindrical, often slightly enlarged at the base. Color is typically concolorous with the cap or slightly paler, often darker towards the base. The surface is pruinose (finely powdered) at the apex, becoming smooth or finely fibrillose below. A faint, ephemeral ring or ring zone may be present in very young specimens, but it is usually absent or quickly disappears. The stem is hollow and fragile.
Flesh
Thin, fragile, and concolorous with the cap surface, or slightly paler.
Fruiting body
Small, delicate, and often gregarious, appearing in clusters or scattered among mosses.
Habitat
Saprobic, growing among mosses (especially Sphagnum, but also other moss species) in damp, boggy areas, swamps, fens, and moist woodlands. It can also be found on decaying wood or plant debris embedded within moss mats.

Key Facts

  • Cap surfaces: Smooth, hygrophanous, striate when moist.
  • Growth Form: Gregarious or scattered.
  • Spore Print: Rusty brown to cinnamon-brown.
  • Body color: Yellowish-brown, ochraceous, tawny (moist); pale buff, yellowish-tan (dry).
  • Odor: Mild, sometimes slightly farinaceous.
  • Flesh bruises: Does not bruise significantly.
  • Height: 2-6 cm
  • Cap Diameter: 0.5-2.5 cm
  • Nutrient gathering: Saprobic

Toxic

Deadly

Galerina hypnorum is considered toxic and contains amatoxins, the same deadly toxins found in species of Amanita (e.g., Death Cap, Destroying Angel). Ingestion can lead to severe liver damage, kidney failure, and death if not treated promptly. Even small amounts can be lethal.

Toxin Type: Amatoxins (cyclopeptides)Reaction Type: Hepatotoxic (liver-damaging)

Quick Check

  • Odor: Mild, not distinctive, sometimes slightly farinaceous (mealy).
  • Fruiting: Gregarious to scattered among mosses.
  • Substrate: Mosses, decaying wood or plant debris within moss mats.

Where to Find

Temperate and Boreal Regions

Widely distributed across temperate and boreal zones of the Northern Hemisphere, including North America, Europe, and Asia.

Mossy Habitats

Common in Sphagnum bogs, fens, moist coniferous and deciduous forests, and other damp areas rich in mosses.

Finding Tips

Look in Mossy Areas

Focus your search on areas with abundant moss growth, particularly Sphagnum moss, in damp or boggy environments.

Check After Rain

Like many small agarics, Galerina hypnorum fruits best after periods of rain, when moisture levels are high.

Examine Closely

Due to its small size, careful examination of moss mats is necessary to spot this species.

Seasonal Timing

Typically found from late spring through autumn, with peak fruiting in late summer and fall.

Similar Species

Funeral Bell

Galerina

Also known as: Deadly Galerina

Autumn Skullcap

Galerina

Also known as: Galerina marginata

Conocybe

Conocybe

Also known as: Conecaps

Mycena

Mycena

Also known as: Bonnet Mushrooms

Scientific Classification

Phylum
Basidiomycota
Class
Agaricomycetes
Order
Agaricales
Family
Hymenogastraceae
Genus
Galerina

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