
Psilocybin-containingHymenogastraceae
Psilocybe baeocystis
Bottle cap
Dark, sticky-capped conifer mulch species of the Pacific Northwest.
- Cap
- Conical to convex, 1.5-5 cm, dark olive-brown with a steel-blue tint, sticky, margin often crenulate.
- Gills
- Adnate, greyish to cinnamon-brown.
- Stem
- 20-70 mm, whitish with bluish base, no ring.
- Flesh
- Blue where damaged.
- Spore print
- Dark purple-brown
- Habitat
- Conifer mulch, bark chips, lawns and peat.
- Distribution
- Pacific Northwest of North America.
- Season
- Autumn to early winter.
- Bruising
- Strong blue.
- Odour
- Farinaceous.
- Potency
- Potent
Key features
- ▪Dark olive cap with blue tones
- ▪Sticky viscid cap surface
- ▪Conifer bark mulch
Field tests
- Spore print must be dark purple-brown
- Look for the blue-green stem base
Edibility
Contains psilocybin, psilocin and baeocystin.
Warning
Small brown Galerina in conifer mulch are deadly.
Photo and feature-based identification is probabilistic. Never consume a wild mushroom on the basis of an app result — confirm with an experienced mycologist.
