Gymnopilus aeruginosus

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Gymnopilus aeruginosus
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Cortinariaceae
Genus: Gymnopilus
Species: G. aeruginosus
Binomial name
Gymnopilus aeruginosus
(Peck) Singer

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Gymnopilus aeruginosus
mycological characteristics:
Gills icon.png 
gills on hymenium
Convex cap icon.svg 

cap is convex

hymenium is adnexed or adnate

stipe has a ring

ecology is saprotrophic

edibility: psychoactive

Gymnopilus aeruginosus is mushroom which grows in clusters on dead wood and wood chip mulch. It is widely distributed and common in the Pacific Northwest. It has a rusty orange spore print and a bitter taste and contains the hallucinogen psilocybin.


The cap ranges from 6 to 17 cm across, is convex to plane, blueish when young and is bright orange, orangish brown, or reddish brown with a dry scaly surface which is sometimes cracked in age. The flesh is white, often with blue and green tinges and the gills are crowded, yellow to orange, and adnexed to adnate or slightly subdecurrent. The stem is dusted with rusty orange spores and has a cottony scanty partial veil.

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