Field Identification

Cap2-5cm; convex to broadly umbonate; cinnamon to rust-brown; hygrophanous; strong umbo
GillsAdnate to sinuate; pale cream becoming dark purple-brown; close to crowded
Stem4-10cm; whitish to pale; often with distinct annular zone; bruises blue
Spore PrintDark purple-brown; ellipsoid, 10-13 x 6-8 um
HabitatCoffee plantations, disturbed soils, stream banks in subtropical and tropical highlands
DistributionMexico (Oaxaca, Veracruz, Chiapas), Guatemala, Colombia
SeasonRainy season; year-round in suitable tropical habitats

Key Identification Feature

Hillside and stream bank habitat in Mexican highlands. Strong umbo (bump) on cap. Annular zone on stem. Associated with Mazatec ceremonial traditions. Known as 'derrumbe' (landslide mushroom).

⚠ Dangerous Lookalikes

Psilocybe cubensis (larger, dung habitat, same region); Psilocybe caerulescens (similar region, different habitat preference)

Notes

A traditionally important species among Mazatec and Zapotec peoples of Oaxaca. R. Gordon Wasson documented its ceremonial use in the 1950s alongside P. mexicana and P. cubensis. Named after ethnobotanist Searle Hoogshagen.

Legal Status Warning Psilocybin-containing mushrooms are controlled substances in most jurisdictions. This guide is for educational purposes only. Wild foraging for psilocybin mushrooms may be illegal in your location. Never consume wild mushrooms without positive identification from an expert mycologist — misidentification can be fatal.

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