''Gymnopilus luteoviridis'' is a widely distributed

mushroom A mushroom or toadstool is the fleshy, spore-bearing Sporocarp (fungi), fruiting body of a fungus, typically produced above ground on soil or another food source. ''Toadstool'' generally refers to a poisonous mushroom. The standard for the n ...

-forming

fungus A fungus (: fungi , , , or ; or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and mold (fungus), molds, as well as the more familiar mushrooms. These organisms are classified as one ...

of the

Eastern United States The Eastern United States, often abbreviated as simply the East, is a macroregion of the United States located to the east of the Mississippi River. It includes 17–26 states and Washington, D.C., the national capital. As of 2011, the Eastern ...

that contains the

hallucinogen Hallucinogens, also known as psychedelics, entheogens, or historically as psychotomimetics, are a large and diverse class of psychoactive drugs that can produce altered states of consciousness characterized by major alterations in thought, mo ...

psilocybin Psilocybin, also known as 4-phosphoryloxy-''N'',''N''-dimethyltryptamine (4-PO-DMT), is a natural product, naturally occurring tryptamine alkaloid and Investigational New Drug, investigational drug found in more than List of psilocybin mushroom ...

and

psilocin Psilocin, also known as 4-hydroxy-''N'',''N''-dimethyltryptamine (4-HO-DMT), is a substituted tryptamine alkaloid and a serotonergic psychedelic. It is present in most psychedelic mushrooms together with its phosphorylated counterpart psilocy ...

Description

* Pileus: 2.5-4 cm in diameter, moderately thick (4–5 mm), convex to subconic with an incurved margin when young, becoming nearly flat. Straw yellow to mustard yellow, smooth, conspicuously fibrillose, with pale

fulvous Fulvous is a colour, sometimes described as dull orange, brownish-yellow or tawny; it can also be likened to a variation of buff, beige or butterscotch. As an adjective it is used in the names of many species of birds, and occasionally other ...

scales along the margin and becoming olivaceous towards the center of the cap, flesh the same color as the surface. Staining greenish where injured. *Gills: Adnate to adnexed with a short decurrent tooth, thin, close to subdistant, cream buff to dark yellow, becoming rusty brown with age, edges the same color as the gill face. *

Spore print 300px, Making a spore print of the mushroom ''Volvariella volvacea'' shown in composite: (photo lower half) mushroom cap laid on white and dark paper; (photo upper half) cap removed after 24 hours showing warm orange ("tussock") color spore print. ...

: Rusty brown. * Stipe: 4–6 cm x 0.3—0.5 cm, tapering slightly at the apex, stuffed to hollow, surface dry,

glabrous Glabrousness () is the technical term for a lack of hair, down, setae, trichomes, or other such covering. A glabrous surface may be a natural characteristic of all or part of a plant or animal, or be due to loss because of a physical condition, ...

, vertically striate, yellowish buff, staining greenish when handled or in age, the partial veil sometimes forms a faint fibrillose annular zone near the apex. *Taste: Bitter. *Odor: Not distinctive. *Microscopic features: Spores 5.5—7 x 4—5 μm ellipsoid in face view, dextrinoid, wrinkled-rough, no germ pore. Pleurocystidia present, cheilocystidia present. Pileocystidia and caulocystidia none.

Clamp connection A clamp connection is a hook-like structure formed by growing hyphal cells of certain fungi. It is a characteristic feature of basidiomycete fungi. It is created to ensure that each cell, or segment of hypha separated by septa (cross walls), rece ...

s are present. *Bruising: The base and stipe will bruise blue or green.

Habitat and formation

''Gymnopilus luteoviridis'' is found growing gregarious to cespitose on oak stumps and hardwoods from August to November. It is widely distributed in eastern North America.

References

* * Hesler, L. R. (1969). ''North American species of'' Gymnopilus. New York: Hafner. 117 pp. * {{Taxonbar, from=Q5624853 luteoviridis Entheogens Psychoactive fungi Psychedelic tryptamine carriers Fungi of North America Fungi described in 1959 Taxa named by Lexemuel Ray Hesler Fungus species

Description

Habitat and formation

See also

References