
The honey mushroom (Armillaria mellea) is a fungus that grows in clusters at the bases of trees or stumps, especially oaks, and over buried wood. It is edible when young and fresh but must be thoroughly cooked. It is also known as the ringless honey mushroom because it lacks a ring on its stalk. Its cap is honey-colored, dry, and scaly. The honey mushroom is one of the oldest and largest single organisms in the world, with roots stretching 8.8 square kilometers and an age range of 2,000 to 9,000 years. While the honey mushroom itself is not psychedelic, there are reports of people experiencing psychedelic effects after consuming honey that contained Psilocybe mushrooms.
| Characteristics | Values |
|---|---|
| Colour | Honey-coloured |
| Cap | Dry and scaly |
| Ring | Absent on stalk |
| Habitat | Clusters at the base of trees or stumps, especially oaks |
| Edibility | Edible when young and fresh, but must be thoroughly cooked |
| Spores | White, elliptical, smooth, and colourless |
| Scientific name | Armillaria mellea |
| Age | Between 2,000 and 9,000 years old |
| Size | Roots stretching 8.8 square kilometres |
| Type of organism | Parasitic fungus |
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What You'll Learn
- Honey mushrooms are edible, but must be cooked thoroughly
- They are parasitic and can kill trees, especially young or weakened ones
- They are one of the oldest and largest single organisms in the world
- They have a honey-coloured, dry, scaly cap and lack a ring on the stalk
- They grow in clusters at the base of trees, especially oaks, and on stumps

Honey mushrooms are edible, but must be cooked thoroughly
Honey mushrooms (Armillaria mellea) are edible but must be cooked thoroughly. They are not psychedelic. They have a honey-coloured, dry, scaly cap and lack a ring on the stalk. They grow in clusters at the base of trees or stumps, especially oaks, and over buried wood. They are parasitic on trees and can kill them, especially young or weakened trees. They cause root rot in trees and can be a destructive forest pathogen.
Honey mushrooms are good to eat when young and fresh, but they must be cooked thoroughly, or they can cause a serious stomach upset. It is recommended to try a small amount at first and ensure it is fully cooked. When gathering from urban areas, it is important to ensure no lawn treatments have been used. Some people use only the caps, discarding the tough stems. As always, be certain of your identification before eating any wild mushroom.
Honey mushrooms are one of the oldest and largest single organisms in the world, with roots stretching 8.8 square kilometres and an age range of 2,000 to 9,000 years. They are often found in yellowish clusters and have black, shoestring-like fungal filaments in the decaying wood.
It is important to note that there are poisonous lookalikes to honey mushrooms, such as the jack-o'-lantern (Omphalotus illudens), which is orange with a smooth cap. Another dangerous lookalike is the deadly galerina (Galerina marginata), which is smaller, has a smooth cap, a stalk ring, and brown spores. Always be certain of your identification before consuming any wild mushroom.
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They are parasitic and can kill trees, especially young or weakened ones
Honey mushrooms (Armillaria mellea) are parasitic and can kill trees, especially young or weakened ones. They are often found at the bases of trees or stumps, particularly oaks, and over buried wood. They cause root rot in trees and can be destructive forest pathogens. The mycelium, or vegetative part of the fungus, spreads beneath the soil surface, making it difficult to control. It damages the tree's ability to transport water and nutrients, leading to its death. This process can continue even after the host tree dies, as the mushroom continues to digest the tree and its roots for years. The black shoestring-like fungal filaments can be found in the decaying wood.
Honey mushrooms are also known as ringless honey mushrooms due to their lack of a ring on the stalk. They are identified by their honey-colored, dry, and scaly caps. They grow in clusters, and their stalks are thick and taper toward the base, ranging from off-white to brownish in color. While they are edible when young and fresh, thorough cooking is necessary to avoid stomach upset.
The mycelium of honey mushrooms can live for hundreds of years, depending on the available food supply. As long as nourishment, temperature, and moisture are suitable, the mycelium will produce a new crop of mushrooms. This makes honey mushrooms one of the oldest and largest single organisms in the world, with roots stretching 8.8 square kilometers and an estimated age of 2,000 to 9,000 years.
The parasitic nature of honey mushrooms poses a significant problem, especially in orchards. Their ability to spread through the soil and infect multiple trees can be challenging to manage. While they primarily target living trees, some evidence suggests that the ringless honey mushroom variety may prefer dead wood as their host. This adaptability and longevity have earned them a reputation as voracious parasites.
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They are one of the oldest and largest single organisms in the world
Honey mushrooms (Armillaria mellea) are not psychedelic. However, they are parasitic and pose a threat to trees, especially young or weakened ones. They cause root rot in trees and can be a destructive forest pathogen.
Honey mushrooms are also known as ringless honey mushrooms due to their lack of a ring on the stalk. They are honey-colored and have a dry, scaly cap. They grow in clusters at the bases of trees or stumps, particularly oaks, and over buried wood. While they are edible when young and fresh, they must be thoroughly cooked, or they can cause stomach upset.
The mycelium of honey mushrooms is the part that allows them to spread and survive for extended periods. Mycelium is the vegetative part of a fungus, consisting of a mass of branching, thread-like hyphae. In the case of honey mushrooms, the mycelium forms a network of cells that penetrates the tissues of trees, damaging their ability to transport water and nutrients, which can eventually lead to the tree's death.
What sets honey mushrooms apart is their remarkable longevity and expansive growth. They are considered one of the oldest and largest single organisms in the world. Their roots can stretch up to 8.8 square kilometers, and they are estimated to be somewhere between 2,000 and 9,000 years old. This makes them a significant presence in the ecosystems they inhabit and a potential challenge for those seeking to control their spread.
The longevity and expansive growth of honey mushrooms can be attributed to the resilient nature of their mycelium. Given a suitable food supply, temperature, and moisture levels, a mycelium can produce a new crop of mushrooms and continue to thrive. This adaptability allows honey mushrooms to persist for extended periods and contribute to their status as one of the oldest and largest single organisms on Earth.
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They have a honey-coloured, dry, scaly cap and lack a ring on the stalk
The honey mushroom (Armillaria mellea) is a fungus that causes root rot in trees and can be a destructive forest pathogen. It is also known as the ringless honey mushroom, which is a reference to its physical appearance. The mushroom has a honey-coloured, dry, scaly cap and lacks a ring on the stalk. The stalk is thick and tapers towards the base, ranging in colour from off-white to brownish. The cap is initially convex but flattens as the mushroom ages, with the margin uplifting over time. The gills are narrow to broad and whitish, staining pinkish to brownish.
The ringless honey mushroom is a parasitic fungus that grows in clusters at the bases of trees, especially oaks, and over buried wood. It can kill its host trees by damaging their ability to transport water and nutrients. This particular species of honey mushroom appears to live on dead wood, rather than living trees. Honey mushrooms are edible when young and fresh but must be thoroughly cooked, or they can cause stomach upset. It is important to be certain of the mushroom's identification before consuming it.
The ringless honey mushroom is also known for being part of one of the oldest and largest single organisms in the world. Its roots stretch 8.8 square kilometres, and it is estimated to be between 2,000 and 9,000 years old. The mushroom's mycelium, or vegetative part, forms a mass of branching, thread-like hyphae that can spread beneath the soil surface, making it difficult to control. The mycelium produces mushrooms, which in turn produce spores that begin new mycelia growth elsewhere.
The ringless honey mushroom can be distinguished from other similar mushrooms by its physical characteristics. For example, the honey mushroom (Armillaria mellea) has a sticky cap and a ring, while the ringless honey mushroom lacks these features. Other similar mushrooms include the poisonous jack-o'-lantern (Omphalotus illudens), which is orange with a smooth cap, and the big laughing gym (Gymnopilus junonius), which is orange with orange-brown spores and a ring.
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They grow in clusters at the base of trees, especially oaks, and on stumps
Honey mushrooms (Armillaria mellea) are parasitic mushrooms that grow in clusters at the base of trees, especially oaks, and on stumps. They are honey-coloured with a dry, scaly cap and lack a ring on the stalk. They are edible when young and fresh but must be thoroughly cooked, or they can cause stomach upset. They are also known as ringless honey mushrooms to differentiate them from the regular honey mushroom, which does have a ring on its stalk.
Honey mushrooms are often found at the bases of trees and stumps, and their yellowish clusters can be identified by the black, shoestring-like fungal filaments in the decaying wood. They cause root rot in trees and can be destructive forest pathogens, killing their hosts by damaging the tree's ability to transport water and nutrients. This makes them a problem in orchards, as the mycelium spreads beneath the soil surface, making it difficult to control.
The mycelium of honey mushrooms is the vegetative part of the fungus, consisting of a mass of branching, thread-like hyphae. The mycelium forms mushrooms, which produce spores that are released to begin new mycelia elsewhere. The mushrooms find new hosts by spreading through the soil. Honey mushrooms are believed to be one of the oldest and largest single organisms in the world, with roots stretching 8.8 square kilometres and an age range of 2,000 to 9,000 years.
Honey mushrooms are often found on oak trees, as well as other types of trees such as beech. They can also be found on buried wood, as they can survive on dead or living trees. While they are edible, it is important to be certain of their identification before consuming them, as there are similar-looking poisonous mushrooms, such as the jack-o'-lantern (Omphalotus illudens), which is orange with a smooth cap.
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Frequently asked questions
No, honey mushrooms are not psychedelic. They are edible and good when young and fresh, but they must be thoroughly cooked.
Honey mushrooms are honey-colored with a dry, scaly cap and no ring on the stalk. They grow in clusters at the base of trees or stumps, especially oaks.
Honey mushrooms are parasitic and can kill trees, especially young or weakened ones. They cause root rot and can be a destructive forest pathogen.

























