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This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. ** The content on this website is for informational purposes only and is not a substitute for professional medical advice; always consult your physician regarding any medical condition. Reliance on this information is at your own risk. The use of psychedelic mushrooms is illegal in many jurisdictions and should not be undertaken without legal advice and careful consideration of the risks involved. **

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  • Psilocybe Cubensis Great White Monster Great White Monster
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Last updated: Oct 20, 2026

Psilocybe CubensisGreat White Monster

"Great White Monster"

Psilocybe Cubensis Great White Monster close up
Psilocybe cubensis fruiting bodies

Scientific Classification

Kingdom:Fungi
Division:Basidiomycota
Class:Agaricomycetes
Order:Agaricales
Family:Hymenogastraceae
Genus:Psilocybe
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Frequently Asked Questions

What is the Great White Monster strain?
Great White Monster is a documented mushroom strain of Great White Monster (Psilocybe Cubensis). It is cataloged in the ShroomSpy mycology database with strain-specific characteristics, origin, and identification details.
Is Great White Monster edible?
Psychoactive
Is Great White Monster psychoactive?
Great White Monster is documented as a psychoactive species. It contains psychoactive compounds that may produce mind-altering effects. Laws governing possession and use vary by jurisdiction.
What effects does Great White Monster produce?
Great White Monster is associated with the following effects: Creativity. Individual experiences vary based on dose, set, and setting.
What is the scientific classification of Great White Monster?
Great White Monster belongs to the kingdom Fungi, division Basidiomycota, class Agaricomycetes, order Agaricales, family Hymenogastraceae, genus Psilocybe. Its scientific name is Psilocybe Cubensis.

About

Great White Monster (GWM) is a potent leucistic/albino variant of Psilocybe cubensis, celebrated for its intense visuals, cerebral power, and distinctive appearance. This strain stands out due to its ghostly white coloration, massive fruit size, and explosive potency—often delivering full-spectrum psychedelic experiences that rival much stronger cubensis lines. It’s considered a “monster” not in aggression, but in its immense psychoactive depth and visual complexity.

History

GWM was originally developed through crossbreeding between the Albino A+ and PES Hawaiian strains, combining the visual phenotype of leucism (lack of pigmentation) with the potency and fruiting vigor of both parent strains. Over time, it stabilized into a highly recognizable line known for producing thick, white mushrooms with strong bruising and deep spiritual effects.

Its name references both its striking appearance and the transformative power of the journey it delivers.

Overview

Great White Monster mushrooms are typically large, dense, and chalk-white, with moderate to strong blue bruising and thick stems. Colonization is average, but the fruits are robust and visually distinctive.

The psychedelic experience is often visually immersive, spiritually expansive, and mentally intense, with users reporting ego-softening, intricate geometry, and emotional catharsis. Best suited for intermediate to advanced psychonauts, ceremonial work, or inner shadow exploration.

Physical Characteristics

Caps:

Large, often reaching up to 85 mm in diameter, white to off-white, sometimes with bluish tones, smooth texture.

Gills:

Adnate to adnexed, closely spaced, initially light gray, becoming purplish-brown with maturity.

Cognitive Effects

Creativity

May stimulate abstract and creative thinking.

Psychoactive Effects

Perceptual

Users often experience a subjective alteration of time perception.

Pharmacology

Helps With

Depression

Some studies suggest potential benefits in treating depression.

Anxiety

Can reduce symptoms of anxiety in some users.

Possible Side Effects

Nausea

Common, especially when taken in larger doses.

Paranoid

Can occur, particularly with higher doses or in unfamiliar settings.

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Chemical Constituents

Medicinal Chemistry

Similar Species

Similar species Psilocybe Tampanensis

Species: Psilocybe Tampanensis

(Tampa Psilocybe)

Edibility: Psychoactive

Key Differences: Smaller in size, produces sclerotia.

Similar species Psilocybe Tampanensis

Species: Psilocybe Tampanensis

(Tampa Psilocybe)

Edibility: Psychoactive

Key Differences: Smaller in size, produces sclerotia.

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