Psilocybe caerulipes

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Psilocybe caerulipes
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Homobasidiomycetes
Order: Agaricales
Family: Strophariaceae
Genus: Psilocybe
Species: P. caerulipes
Binomial name
Psilocybe caerulipes
Range of Psilocybe caerulipes
Range of Psilocybe caerulipes

Agaricus caerulipes

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Psilocybe caerulipes
mycological characteristics:
Gills icon.png 
gills on hymenium
Convex cap icon.svg 

cap is convex or conical

hymenium is adnate or sinuate

stipe has a cortina

spore print is blackish-brown or purple

ecology is saprophytic

edibility: psychoactive

Psilocybe caerulipes, also known as Bluefoot is a psilocybin mushroom of the Agaricales family, having psilocybin and psilocin as main active compounds.


  • Cap: Less than 4 cm across, conic to plane in age, viscid when mist, often with greenish stains near the margin and sometimes with an umbo. It is rusty brown to buff, fading to a lighter shade of buff as it dries.
  • Gills: Close, with adnate attachment. They are light brown at first, becoming a dark rusty brown as the spores mature.
  • Spores: Dark purple brown, 8x4x4 um, ellipsoid, thick walled, with a broad germ pore.
  • Stipe: 2 to 7 cm long, 2.5 mm thick, white. Slowly stains blue where bruised, taking a few hours for the color change to occur.
  • Taste: Farinaceous.
  • Odor: Slightly farinaceous.
  • Microscopic features: Basidia 2 and 4 spored. Pleurocystidia absent. Cheilocystidia 20-35 x 5-7 um.

Habitat and formation

Psilocybe caerulipes is found growing on decaying wood and wood chips throughout the midwest and east coast. This mushroom is found most commonly on maple, beech or birch wood. They are most prolific in deciduous forests near river valleys, preferring flood planes and overflow areas. They tend to grow in areas with a lot of elevation change and are rarer in flat locations.