Gymnopilus_viridans

<i>Gymnopilus viridans</i>

Gymnopilus viridans

Species of fungus

Gymnopilus viridans is a mushroom in the family Hymenogastraceae. It contains the hallucinogens psilocybin and psilocin. It is a rarely documented species, the last known collection being from the US state of Washington in 1912.

Quick Facts Gymnopilus viridans, Scientific classification ...
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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 in height, 2 cm in diameter, enlarging below, solid, firm, concolorous with the cap.
  • Microscopic features: Spores 7 x 8.5 x 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.

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 = Flammula viridans" p. 262)
    • Hesler, Mycologia Memoir No. 3 1969, North American Species of Gymnopilus
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