Wild Species Bluing ✓ Potency: ★★★☆☆

Psilocybe muliercula

Common name: Lady Psilocybe

Field Identification

Cap1.5–4 cm, convex to broadly umbonate, hygrophanous, cinnamon-brown to pale tan
GillsAdnate to sinuate, pale grayish becoming dark purple-brown
Stem4–8 cm × 3–5 mm, whitish to pale brownish, fibrous
Spore PrintEllipsoid, 10–14 × 6–8 µm, dark purple-brown spore print
HabitatDung and enriched soil in subtropical highland areas
DistributionMexico (Oaxaca, Chihuahua highlands), Guatemala
SeasonJune–October (highland rainy season)

Key Identification Feature

Mexican highland dung habitat; high potency; traditional Mazatec use documented

⚠ Dangerous Lookalikes

Psilocybe mexicana (similar habitat; muliercula has more robust fruiting bodies); Psilocybe caerulescens (different ecology)

Notes

Used by Mazatec healers in Oaxaca. R. Gordon Wasson documented this species as one of the mushrooms used in traditional velada ceremonies alongside P. mexicana. Potency is notably high for a dung-associated species.

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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