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Psilocybe caerulipes

(Peck) Sacc.

Psilocybe caerulipes
FamilyHymenogastraceae
GenusPsilocybe
PotencyMedium
Cultivable❌ No
HabitatLignicolous — Hardwoods, logs near rivers

Common Names

🇬🇧 EnglishBlue-foot Psilocybe

Description

Uncommon species from eastern North America, distinguished by the bluing at the base of the stipe.

Ecology

On rotten trunks of deciduous hardwoods.

lens_blur Cap (Pileus)

Size:1-3.5 cm
Shape:Convex
Color:Cinnamon to yellow
Surface:Viscous
Margin:Smooth

view_list Gills (Hymenium)

Attachment:Adnate
Color:Reddish brown
Spacing:Tight

straighten Stipe (Stem)

Size:3-6 x 0.15-0.3 cm
Color:White
Surface:Blue base
Ring/Veil:Veil remnants

blur_circular Spores (Microscopy)

Shape:Ellipsoids
Dimensions:7-10 x 4-5 µm
Print:Dark purple
Wall:Fine
Germ pore:Present

colorize Flesh

Color:Pale
Bruising:Slowly turns blue at the base
Odor:farinaceous
Taste:Farinaceous

Alkaloid Profile (% Dry Weight)

Psilocybin
0.30 – 0.60%
Psilocin
0.00 – 0.00%
Baeocystin
0.00 – 0.00%
Total max:0.60% dry weight

Sources

Stamets 1996

Habitat and Ecology

🌍TypeLignicolous
🌱SubstrateHardwoods, logs near rivers
⛰️ElevationLow
📅SeasonSummer to fall

Geographic Distribution

This USACanada

⚠️ Lookalike Species

Confusion with these species can be dangerous or fatal. Always consult an expert mycologist.

warning
Galerina marginata — MMortal

It grows on the same trunks, rust-colored spore print, defined ring.

📚 Scientific References

  • Saccardo
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