Gymnopilus viridans

Gymnopilus viridans is a rarely documented mushroom. It contains the hallucinogens psilocybin and psilocin. The last known collection is from Washington, United States (1912).

Gymnopilus viridans
Scientific classification
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Species:
G. viridans
Binomial name
Gymnopilus viridans
Synonyms

Flammula viridans

Gymnopilus viridans
float
Mycological characteristics
gills on hymenium
cap is convex
hymenium is adnexed or adnate
spore print is yellow-orange
ecology is saprotrophic
edibility: psychoactive

Description

  • Pileus: — 8 cm, thick, convex with a large umbo, ochraceous, dry, with conspicuous light reddish brown scales that are sparse but become denser toward the center; flesh firm, becoming green-spotted where handled.
  • Gills: Adnate, broad, crowded, edges undulate, dingy brown to rusty brown with age.
  • Spore Print: Rusty brown.
  • Stipe: — 6 cm x 2 cm thick, enlarging below, solid, firm, colored like the cap,
  • Microscopic features: Spores (6)7 x 8.5 x (3.5)4 — 5 µm ellipsoid, not dextrinoid, minutely verruculose, obliquely pointed at one end, no germ pore. Pleurocystidia absent, Cheilocystidia 20 — 26 x 5 — 7 µm, caulocystidia 35 — 43 x 4 — 7 µm, clamp connections present.

Habitat and formation

Gymnopilus viridans is found growing cespitose on coniferous wood from June to November.

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References

    • Murrill, William (1912). "Gymnopilus viridans". Mycologia. 4: 257. doi:10.2307/3753448. JSTOR 3753448. ("For the benefit of those using Saccardo's nomenclature, the following new species in the above article are recombined, as follows: Gymnopilus viridans = Fammula viridans" p. 262)
    • Hesler, Mycologia Memoir No. 3 1969, North American Species of Gymnopilus
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