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Galerina marginata

/gal-uh-REE-nuh mar-jin-AH-tuh/·Also called Funeral bell, Deadly skullcap, Autumn skullcap, Deadly Galerina

Quick definition

Galerina marginata is a small, wood-decaying mushroom known as funeral bell. It has a brown to yellow-brown cap, rusty-brown spores, and often a ring on its stem when young. It contains amatoxins and can be deadly if eaten, so never eat a wild mushroom without expert identification.

Type
Poisonous wood-decaying mushroom
Cap
Brown to yellow-brown
Spore print
Rusty brown
Habitat
Often decaying conifer wood
Main risk
Contains dangerous amatoxins

What is Galerina marginata?

Galerina marginata is a small mushroom-forming fungus in the family Hymenogastraceae. It is commonly called funeral bell, a name that reflects its serious toxicity. The cap is usually brown or yellow-brown and can fade as it dries. Its crowded gills turn browner as the mushroom matures, and its spores leave a rusty-brown print. Young mushrooms often have a delicate ring around the upper stem, though this feature can wear away.

The species is one of many small, brown mushrooms that can be difficult to tell apart by sight. Its cap shape changes as it grows, from rounded to flatter, and its color can vary with moisture and age. These changing features make a quick visual match unreliable. The scientific name also covers mushrooms once classified under several other names; DNA research showed those named forms belong to the same variable species.

WorkflowHow the fungus forms mushrooms
  1. 1Find wood

    The fungus grows on dead wood, often from conifers.

  2. 2Spread through

    Mycelium threads move through the wood and break down plant material.

  3. 3Form fruit bodies

    When conditions suit it, the fungus produces visible mushrooms.

  4. 4Release spores

    Gills produce spores that disperse into the surrounding environment.

  5. 5Start anew

    A spore in a suitable place may develop into new fungal growth.

How does Galerina marginata grow?

This fungus gets nutrients by breaking down dead plant material, especially wood. Its fine, threadlike mycelium grows through the wood and releases enzymes that help decompose it. When conditions allow, the fungus forms visible mushrooms, which are its reproductive structures. The mushrooms may appear alone or in small groups on logs, stumps, or wood that is partly buried and hidden from view.

The cap and gills produce spores that can disperse into the environment. If a spore lands somewhere suitable, it may grow into new fungal threads and begin another stage of the life cycle. The visible mushroom is only one part of the organism; much of the fungus remains within the wood. Like many fungi, its fruiting depends on local conditions, so finding it in one place does not mean it will appear there at the same time every year.

Where it sitsGalerina marginata on three spectrums
Safe to eatHighly toxic

It contains amatoxins and must never be treated as food.

Soil-basedWood-based

It usually fruits on decaying wood, though buried wood can be hidden.

Easy to identifyHard to identify

Its small brown form and changing features invite dangerous mix-ups.

Editorial placement to help compare; not a measurement.

Where do people encounter Galerina marginata?

Galerina marginata is widely distributed across the Northern Hemisphere, including parts of North America, Europe, and Asia, and it has also been reported in Australia. It is most often associated with decaying conifer wood, though it can grow on hardwoods too. It may fruit from summer into fall. Because it can grow on buried wood, a mushroom may seem to be emerging from soil even when its food source is concealed.

Foragers, hikers, and gardeners may notice it on old logs, stumps, or wood chips. It matters because it can grow in places where people are also looking for edible mushrooms, and some species it resembles are collected for food. Funeral bell is also an example of a saprotrophic fungus: a decomposer that helps recycle nutrients from dead material. Its useful role in wood decay does not make the mushroom safe to handle or eat.

CompareGalerina marginata and related mushrooms
Galerina marginataDeath capKuehneromyces mutabilis
Typical settingDecaying woodOften near treesDecaying wood
Cap colorBrown to yellow-brownOften greenish or yellowishBrown
Spore printRusty brownWhiteBrown
ToxicityDeadly amatoxinsDeadly amatoxinsNot a safe lookalike to guess

Why is Galerina marginata a safety concern?

Galerina marginata contains amatoxins, a group of potent toxins also found in death caps. Eating a dangerous amount can cause severe poisoning, including serious liver damage, and may be fatal. Do not taste a mushroom to identify it. If someone may have eaten one, contact emergency services or a poison center promptly; do not wait for symptoms or rely on an online description to assess the risk.

The most important misconception is that a brown cap, a ring, or growth on wood is enough to identify a mushroom. None of those traits alone confirms a species. Funeral bell can resemble edible wood-growing mushrooms, and its own appearance varies with age and conditions. Never eat a wild mushroom without expert identification. A photograph, field guide, or name supplied by an app should not be treated as proof that a specimen is safe.

TimelineGalerina marginata: naming milestones
  1. 1789

    Batsch described the mushroom as Agaricus marginatus.

  2. 1935

    Kühner published the name Galerina marginata.

  3. 2001

    DNA comparisons supported combining several named forms as one species.

  4. 2005

    A study found evidence that Galerina pseudomycenopsis may remain distinct.

How does Galerina marginata connect to other mushrooms?

Funeral bell is often discussed alongside lookalikes such as Kuehneromyces mutabilis, a wood-growing mushroom that some people collect, and the poisonous Conocybe filaris. They can share a general small, brown-mushroom appearance, but their details differ. Even so, comparisons are useful for learning, not for deciding whether an unknown specimen is edible. A mushroom’s habitat, cap, stem, gills, spore traits, and microscopic features may all matter to an expert identification.

The species also connects to broader topics in mycology: gills, spores, fruiting bodies, and saprophytic fungi. Its history shows how DNA analysis can change mushroom classification, since several names once treated as separate species were brought together. For readers learning about foraging, it is a reminder that identification is a skill requiring care and reliable expertise. When the consequence of a mistake can be severe, choosing not to collect or eat an uncertain mushroom is the safer choice.

Common questions about Galerina marginata

Is Galerina marginata poisonous?

Yes. Galerina marginata contains amatoxins, which can cause severe poisoning and may be fatal. It should never be eaten. If someone may have consumed it, contact emergency services or a poison center promptly rather than waiting for symptoms or trying to identify it from a photo.

Why is Galerina marginata called funeral bell?

Funeral bell is a common name for this dangerously poisonous mushroom. The name is a warning, not a formal scientific label. It is also called deadly skullcap, autumn skullcap, and deadly Galerina. These names all refer to Galerina marginata.

Where does funeral bell grow?

Funeral bell most often grows on decaying wood, especially conifer wood, but it can also occur on hardwood. It is found across much of the Northern Hemisphere and has been reported in Australia. Buried wood can make a mushroom appear to grow directly from soil.

Can you identify Galerina marginata by its cap or ring?

No single feature is enough for a reliable identification. Cap color and shape vary, and the stem ring may disappear as the mushroom ages. Several other small brown mushrooms can look similar. Never eat a wild mushroom without expert identification, and do not rely on an app or photograph alone.

Related terms

Concept mapHow Galerina marginata connects
Poisonous mushroomsMycotoxinLookalikeMushroom identificati…Mushroom foragingSaprophytic fungiSpore printGillsGalerina marginata

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Sources and further reading

Written by the Pscilly editorial team and reviewed November 2026. Educational content only, not medical or legal advice. Pscilly does not sell psilocybin. Never eat a wild mushroom without expert identification.