
Psilocybin mushrooms, commonly known as magic mushrooms or shrooms, are hallucinogenic fungi that have been used for centuries by native tribes in Mesoamerica for spiritual purposes. These mushrooms, belonging to the genus Psilocybe, are known to grow on dung, particularly that of horses and cows, earning them the nickname dung-loving. They are described as small, non-descript toadstools with a smooth, viscid cap, and produce the psychoactive compound psilocybin, which has potential therapeutic benefits for mental health issues.
| Characteristics | Values |
|---|---|
| Common Name | Dung-loving Psilocybe |
| Description | Little brown mushroom (LBM); a diminutive, execrable, non-descript toadstool |
| Size | Small with a smooth, viscid cap |
| Where they grow | Dead plants or dung, large herbivore manure, straw, wood chips |
| Genus | Psilocybe |
| Species | P. cyanescens, P. allenii, P. ovoideocystidiata |
| Colour | Red then orangish, usually with a hygrophanous central blotch |
| Gills | Adnate, pale then purplish with white edges |
| Cap | Hemispherical, up to 2.5 centimetres (1 inch) wide |
| Staining | Blue to blue-black |
| Effects | Hallucinogenic, psychedelic |
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What You'll Learn
- Psilocybin mushrooms are commonly known as 'shrooms'
- They are hallucinogenic and produce psychedelic effects
- They grow on dung, dead plants, and woodchips
- They have been used for spiritual purposes by native tribes of Mesoamerica
- They are being researched for their potential to treat mental health issues

Psilocybin mushrooms are commonly known as 'shrooms'
Psilocybin mushrooms, commonly known as shrooms, are a group of fungi that contain the hallucinogenic compound psilocybin. They are often referred to as "magic mushrooms" and have been used for recreational and spiritual purposes. Shrooms typically grow on dung, dead plants, or wood chips, and are characterised by their small size and smooth, viscid caps. They are known to produce a deep purplish-blue stain when crushed or bruised.
The use of psilocybin-containing mushrooms for spiritual practices has a long history, particularly among the native tribes of Mesoamerica. Archaeological evidence and records from Spanish interactions with the Aztecs indicate the consumption of these mushrooms during feasts and rituals, where they were believed to induce hallucinations and a state of drunkenness.
In modern times, shrooms have gained attention for their potential therapeutic benefits. Researchers are exploring their effectiveness in treating mental health issues such as post-traumatic stress disorder and depression. The ability of psilocybin to bind to certain receptors in the brains of rats has been observed, suggesting potential psychedelic effects on animals as well.
Shrooms are typically foraged in natural environments, but they have also adapted to thrive in urban and suburban settings. Their preference for broken-down wood and mulch beds, commonly found in landscaped areas, has contributed to their prevalence in cities and towns across the Pacific Northwest and beyond.
While the hallucinogenic effects of shrooms have been well-documented, it's important to note that they are not without risks. The consumption of psilocybin mushrooms can lead to unpredictable and intense psychological experiences, and their legality varies across different regions. As a result, it's crucial to approach these fungi with caution and be aware of the potential dangers associated with their use.
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They are hallucinogenic and produce psychedelic effects
Psilocybin mushrooms, commonly known as "magic mushrooms" or "shrooms", are hallucinogenic and produce psychedelic effects. They are characterised as "little brown mushrooms" (LBMs), which are small with a smooth, viscid cap and grow on dead plants or dung. The dung-loving Psilocybe, or Deconica coprophila, is a species of mushroom in the family Strophariaceae. It was first described in 1793 and was later transferred to the genus Psilocybe in 1871.
The Psilocybe genus produces the hallucinogenic chemical psilocybin, which has been used for spiritual purposes by native tribes in Mesoamerica. For example, the Aztecs consumed small black mushrooms called "teonanacatl", which induced hallucinations and a state of drunkenness. The use of psilocybin-containing mushrooms for spiritual practices is supported by archaeological evidence, including mushroom-shaped drawings and objects.
Psilocybin-containing mushrooms, when crushed or bruised, exhibit a deep purplish-blue colour. Consuming only a few of these mushrooms, either fresh or dried, can induce psychedelic effects. The Pacific Northwest, including California, Oregon, and Washington, is known for its conducive environment for the growth of psilocybin mushrooms, particularly in urban and suburban areas with mulch beds and wood chips.
Research has shown that psilocybin binds to certain receptors in the brains of rats, and it is hypothesised that the production of psychoactive compounds may have evolved as a defence mechanism against grazing animals. While the full scope of their effects on animals is yet to be investigated, psilocybin mushrooms have been anecdotally observed to be consumed by rats, pigeons, and cockroaches in urban environments.
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They grow on dung, dead plants, and woodchips
Psilocybin mushrooms, also known as "magic mushrooms" or "shrooms", are fungi that contain the hallucinogenic compound psilocybin. They have been used for spiritual purposes by various cultures throughout history, including the native tribes of Mesoamerica.
Psilocybin mushrooms are known to grow on dung, particularly that of large herbivores such as horses and cows. This preference for dung has earned them the nickname "dung-loving" or "meadow muffin" mushrooms. In addition to dung, these mushrooms can also grow on straw and dead plants, as they feed on wood that has been sufficiently broken down by other organisms.
The ability of psilocybin mushrooms to grow on dung and dead plants may be related to their evolutionary development of psychoactive compounds. Dung and loose pieces of wood offer limited protection from grazing animals, so the production of psychoactive compounds may have evolved as a defence mechanism. This hypothesis is supported by research showing that psilocybin binds to certain receptors in the brains of rats, suggesting that the presence of small mammals could have influenced the evolution of neuroactive compounds in these mushrooms.
Psilocybin mushrooms are also commonly found in woodchips, particularly in urban and suburban environments. Woodchips provide an ideal growth environment due to the presence of broken-down wood, which these mushrooms prefer. The Pacific Northwest region of the United States, including California, Oregon, and Washington, is known for its abundance of psilocybin mushroom species growing in woodchip beds.
While the specific ecological preferences of psilocybin mushrooms are well-documented, there is still much to learn about their biology, ecology, and evolutionary history. Research on these psychedelic fungi is ongoing, with a particular focus on their potential therapeutic benefits in treating mental health issues such as post-traumatic stress disorder and depression.
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They have been used for spiritual purposes by native tribes of Mesoamerica
Psilocybin mushrooms, also known as "shrooms", are aptly named "dung-loving Psilocybe" as they grow primarily on horse or cow dung. They have been used for spiritual purposes by native tribes of Mesoamerica, with archaeological evidence of their use dating back 3000 years.
The native tribes of Mesoamerica had a well-established culture of Psilocybe mushroom use. For example, the Mixtec people of Mexico created the Codex Vindobonensis Mexicanus 1, a fifteenth- or sixteenth-century pictographic manuscript that portrays a pre-colonial mushroom ritual. The ritual was likely performed to adjust the calendar during the sacred times before the first dawn.
The use of psilocybin mushrooms was also common among the Aztecs. The Franciscan missionary Bernardo de Sahagun, who studied the beliefs and customs of the Aztecs in the Nahuatl tongue, noted in his Historia General that the Aztecs consumed "small black mushrooms that they call teonanacatl, which bring on drunkenness, hallucinations, and even lechery". Teonanacatl, which translates to "flesh of the gods", was served at the beginning of mushroom ceremonies, where participants ate them with honey and drank chocolate the night before.
In addition to the Aztecs, the Olmec, Zapotec, Maya, and Mixtec cultures also used hallucinogenic mushrooms (teonanacatl: Psilocybe spp.) and other psychoactive substances in healing rituals and religious ceremonies. Today, local shamans and healers in Mesoamerica continue to use these substances in their rituals.
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They are being researched for their potential to treat mental health issues
Psilocybin mushrooms, also known as "magic mushrooms", are fungi that produce the hallucinogenic chemical psilocybin and have been used by humans for centuries. While they have been primarily used for spiritual and recreational purposes, they are now being researched for their potential to treat mental health issues.
Psilocybin is a fungal metabolite that has attracted increased attention from media outlets, clinicians, and researchers in recent years. It is naturally produced by more than 100-200 species of mushrooms worldwide and can also be synthetically produced for use in clinical settings. Psilocybin interacts with serotonin receptors in the brain to trigger various psychedelic effects, including euphoria, changes in perception, spiritual experiences, and feelings of detachment.
A growing body of research suggests that psilocybin-assisted therapy may be useful for treating various psychiatric disorders when administered in controlled conditions with supportive therapy. For example, studies have shown that psilocybin therapy can relieve symptoms of treatment-resistant depression, obsessive-compulsive disorder (OCD), and other mental health disorders. It has also been shown to ease fear and anxiety in people with terminal cancer and has potential in smoking cessation and anorexia nervosa treatment. In addition, psilocybin appears to elevate a personality quality known as "openness", which includes sensitivity, imagination, and an appreciation for the values and viewpoints of others.
Despite the promising results, there are still several considerations and challenges to address before psilocybin-assisted therapy can be widely adopted. These include questions surrounding the mechanism of action, stigma, funding, and regulatory hurdles, as well as scalability and affordability. Furthermore, it is important to note that taking psilocybin outside of a controlled setting carries risks and can lead to undesirable and harmful effects.
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Frequently asked questions
Psilocybin mushrooms, also known as 'shrooms' or 'magic mushrooms', are hallucinogenic fungi that contain the chemical psilocybin.
Yes, Psilocybin mushrooms are dung-loving. They are commonly known as the "Dung-loving Psilocybe" or "meadow muffin mushroom". They grow on large herbivore manure, such as horse or cow dung, and straw.
Psilocybin mushrooms are usually small with a smooth, viscid cap. They can be red, orange, or have a purplish tint.
Psilocybin mushrooms grow in the wild, often in the Pacific Northwest of the United States, particularly in California, Oregon, and Washington. They can also be found in urban and suburban environments, especially in areas with mulch beds and wood chips.
Psilocybin mushrooms have hallucinogenic effects, which can induce drunkenness, hallucinations, and changes in consciousness. Research is being conducted to explore their potential therapeutic benefits in treating mental health issues such as post-traumatic stress disorder and depression.

























