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← Field guidePsilocybe cyanescens

Psilocybe cyanescens

Wood-chip species · 0.5–1 g dried · wavy caps, bruising blue

Cap
Caramel brown, strongly wavy margin, 2–5 cm
Habitat
Wood chips, mulch beds and deciduous debris
Spore print
Dark purple-brown
Season
Late autumn, after first cold snap
Bruising
Intense blue bruising within seconds
Deadly lookalike
Galerina marginata

Galerina fruits in the same mulch and wood debris. It contains amatoxins and has a rusty-brown spore print — a single cap can be fatal.

Photo and feature-based identification is probabilistic. Never consume a wild mushroom on the basis of an app result — confirm with an experienced mycologist.