
Psilocybin-containingHymenogastraceae
Psilocybe ovoideocystidiata
Spring-fruiting riverside species of the eastern USA.
- Cap
- Convex to flat, 1.5-6 cm, caramel to yellowish brown, hygrophanic.
- Gills
- Adnate, cream then purple-brown.
- Stem
- 20-60 mm, whitish, often with a faint ring zone, bluing.
- Flesh
- Bruises blue.
- Spore print
- Dark purple-brown
- Habitat
- River banks, flood plains, and wood chips in disturbed ground.
- Distribution
- Eastern USA, Ohio and Delaware river basins, spreading westward.
- Season
- April to June, sometimes again in autumn.
- Bruising
- Blue on handling.
- Odour
- Farinaceous.
- Potency
- Moderate
Key features
- ▪Spring fruiting
- ▪River bank and flood plain habitat
- ▪Faint ring zone on the stem
Field tests
- Spore print must be dark purple-brown
- Check for blue at the stem base
Edibility
Contains psilocybin.
Warning
Spring Galerina and Conocybe occur in the same ground.
Photo and feature-based identification is probabilistic. Never consume a wild mushroom on the basis of an app result — confirm with an experienced mycologist.
