Psilocybin-containingHymenogastraceaeNorth America
Psilocybe atlantis
Atlantis truffle mushroom
Georgia (USA) species that readily forms sclerotia, closely related to P. mexicana.
Regional status: Native to the south-eastern United States
- Cap
- Conical to convex, 10–30 mm, tawny drying straw, hygrophanous.
- Gills
- Adnate, pale then purple-brown.
- Stem
- 30–70 mm, slender, pale, blueing.
- Flesh
- Thin, blueing.
- Spore print
- Dark purple-brown
- Habitat
- Grassy and disturbed soil, often near hardwood debris.
- Distribution
- South-eastern United States.
- Season
- Warm wet months
- Bruising
- Blue at the base and on damage.
- Odour
- Farinaceous
- Potency
- Strong
Key features
- ▪Forms sclerotia underground
- ▪Grassy disturbed soil
- ▪Slender blueing stem
Field tests
- Purple-brown spore print
- Blue reaction on the stem base
Edibility
Psilocybin-containing; not a food species.
Warning
Deadly Conocybe and Galerina occur in similar habitat.
Photo and feature-based identification is probabilistic. Never consume a wild mushroom on the basis of an app result — confirm with an experienced mycologist.