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Psilocybe Baeocystis
"Bottle Cap, Knobby Tops"
![[object Object]](https://d16q8n2b2c01ef.cloudfront.net/media/PsilocybeBaeocystis-1_new-800x450.webp)
Psilocybe Baeocystis fruiting bodies
Scientific Classification
Kingdom:Fungi
Division:Basidiomycota
Class:Agaricomycetes
Order:Agaricales
Family:Hymenogastraceae
Genus:Psilocybe
Frequently Asked Questions
- What is Bottle Cap?
- Bottle Cap (Psilocybe Baeocystis) is a mushroom species, belonging to the Hymenogastraceae family. It is studied for its biological characteristics and is documented in the ShroomSpy mycology database.
- Is Bottle Cap edible?
- Psychoactive
- Is Bottle Cap psychoactive?
- Bottle Cap is documented as a psychoactive species and is classified as veryPotent in potency. It contains psychoactive compounds that may produce mind-altering effects. Laws governing possession and use vary by jurisdiction.
- What is the scientific classification of Bottle Cap?
- Bottle Cap belongs to the kingdom Fungi, division Basidiomycota, class Agaricomycetes, order Agaricales, family Hymenogastraceae, genus Psilocybe. Its scientific name is Psilocybe Baeocystis.
About
Psilocybe baeocystis, nicknamed the Bottle Cap, is a potent psychedelic mushroom known for its dark, glistening cap and high levels of psilocybin, psilocin, and baeocystin—a unique compound for which the species is named. Native to the Pacific Northwest of North America, this mushroom is recognized for its strong and often unpredictable effects, making it a species more suitable for experienced users.
History
Discovered and described in the mid-20th century, P. baeocystis grows naturally in lawns, wood chips, mulch, and other urban or landscaped environments. It was one of the earliest psilocybin mushrooms to be documented in modern times and has been involved in research exploring the varying effects of tryptamine alkaloids.
Its nickname "Bottle Cap" refers to its convex cap shape, which resembles an old-fashioned bottle stopper, especially when young.
Overview
Psilocybe baeocystis features a small to medium-sized cap (1–4 cm wide), ranging from dark brown to olive green when moist, and fading as it dries. The cap is viscid (sticky) when wet and often has a gelatinous pellicle. The stem is thin, whitish to bluish, and bruises deep blue when damaged.
It is notably high in baeocystin, a psilocybin analog that may contribute to more intense or unpredictable experiences compared to other species. Effects include strong visuals, emotional intensity, time distortion, and occasional body load. Due to its variability, careful dosing is essential.
Physical Characteristics
Caps:
Conic to convex, with a nipple-like protrusion, tan to olive-brown, 1-4 cm wide
Gills:
Adnate to adnexed, initially grayish-purple, darkening to purplish-black with age
Psychoactive Effects
Describing intense feelings of happiness or excitement
The change in the way things are perceived, including changes in time perception, spatial perception, and perception of one's own body.
Pharmacology
Depression
Relieves symptoms of depression, improving mood and outlook
Anxiety
Helps to alleviate feelings of worry, fear, and unease
Addiction
Helps to overcome addiction and substance abuse
PTSD
Helps to alleviate symptoms of post-traumatic stress disorder
OCD
Helps to alleviate symptoms of obsessive-compulsive disorder
ADD ADHD
Helps to alleviate symptoms of attention deficit disorder and attention deficit hyperactivity disorder
Pain
Microdosing psilocybin has been shown to help with certain types of pain
Migraines
Research shows that psilocybin, the active compound in magic mushrooms, has potential therapeutic benefits for migraines. A small-scale study conducted by Yale School of Medicine found that a single dose of psilocybin reduced the likelihood of having a migraine attack in two weeks.
Nausea
A feeling of discomfort in the stomach with an urge to vomit
Grow at Home
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Chemical Constituents
Medicinal Chemistry
Similar Species
![[object Object]](https://d16q8n2b2c01ef.cloudfront.net/media/PsilocybeCyanescens-1_new-400x400.webp)
Key Differences: P. cyanescens lacks the distinctive nipple-like protrusion on the cap and tends to have a more wavy cap margin.
Species: Psilocybe Cyanescens
(Wavy Cap)
Edibility: edible
Key Differences: P. cyanescens lacks the distinctive nipple-like protrusion on the cap and tends to have a more wavy cap margin.
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References
- Sekssaoui, M. (2024). Antidepressant-like effects of psychedelics in a chronic despair mouse model: is the 5-HT2A receptor the unique player?. .
- Ley, L. (2023). Comparative acute effects of mescaline, lysergic acid diethylamide, and psilocybin in a randomized, double-blind, placebo-controlled cross-over study in healthy participants. .
- Bae, S. (2023). Cardiac Arrest Associated With Psilocybin Use and Hereditary Hemochromatosis. .
- Schindler, E. (2022 ). Exploratory investigation of a patient-informed low-dose psilocybin pulse regimen in the suppression of cluster headache: Results from a randomized, double-blind, placebo-controlled trial. .
- Barrett, F. (2022). Human Cortical Serotonin 2A Receptor Occupancy by Psilocybin Measured Using [11C]MDL 100,907 Dynamic PET and a Resting-State fMRI-Based Brain Parcellation. .
- Desai, S. (2022). Hopelessness, Suicidality, and Co-Occurring Substance Use among Adolescent Hallucinogen Users—A National Survey Study. .
- Rucker, J. (2021). Psilocybin: From Serendipity to Credibility?. .
- Schindler, E. (2021). Exploratory Controlled Study of the Migraine-Suppressing Effects of Psilocybin. .
- Raval, N. (2021). A Single Dose of Psilocybin Increases Synaptic Density and Decreases 5-HT2A Receptor Density in the Pig Brain. .
- Kuypers, K. (2019). Psychedelic medicine: The biology underlying the persisting psychedelic effects. .