Psilocybe liniformans var. americana

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Psilocybe liniformans var. americana
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hymenogastraceae
Genus: Psilocybe
Species:
Variety:
P. l. var. americana
Trinomial name
Psilocybe liniformans var. americana
Guzmán & Stamets
Psilocybe liniformans var. americana
saprotrophic
Edibility is psychoactive

Psilocybe liniformans var. americana, is a psilocybin mushroom in the family Hymenogastraceae. It is in the section Semilanceatae of Psilocybe and has psilocybin as its main active compound.

Description

  • The cap is 1 — 2.5 cm convex to nearly plane, and is sometimes broadly umbonate but not papillate. It is smooth, dull grayish brown to slightly olivaceus, more reddish at the center, hygrophanous, and becoming straw brown when dry with the center remaining more brownish. It sometimes has a bluish green tone, or olivacous tones at the margin when young.
  • The gills are
    adnexed
    , subdistant, broad, and dark chocolate brown to purplish brown with age.
  • The spores are dark purple brown,
    μm
    .
  • The stipe is 1.4 — 3.0 cm by 1 – 2 mm, equal, enlarging at the base. It is whitish to very pale brownish, darker below, bruising blue, and finely fibrillose in the lower portion. The partial veil is thin and soon disappears.
  • The taste is weak to somewhat
    farinaceous
    .
  • Microscopic features: The and have an extended neck.

Habitat and formation

Psilocybe cubensis liniformans var. americana is found scattered to

Washington, Oregon, and Michigan, and has also been reported from Chile
where it fruits in the spring. This mushroom is very close to the type variety; the main difference is the lack of a gelatinous layer on the edge of the lamellae and the terricolous habitat.

See also

  • List of Psilocybin mushrooms

References

  • Stamets, Paul (1996). Psilocybin Mushrooms of the World. Berkeley: Ten Speed Press. .