Psilocybe baeocystis (Bottle Cap)
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Psilocybe baeocystis

Bottle Cap · Knobby Tops · Blue Bell
Nearctic
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Wood-loving Pacific Northwest mushroom and the type species for the alkaloid baeocystin. Often dark, sticky, and prone to staining a deep indigo blue.

ECOLOGY & HABITAT

Saprotrophic, fruits on decaying conifer wood chips, bark mulch, and well-rotted Douglas-fir debris in cool, wet coastal climates.

Distribution
United States (Pacific Northwest)Canada (British Columbia)
TRADITIONAL USE
  • No documented traditional use
CULTURAL CONTEXT

A defining species of the post-1960s Pacific Northwest mushroom culture, popularized in the work of Paul Stamets, Jeremy Bigwood, and Jonathan Ott.

SEASONAL WINDOW
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Cool, wet autumns on woody debris

GALLERY
3 images
REFERENCES
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  • Stamets 1996
  • Leung & Paul 1968
RELATED

Kin & neighbors

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