Gymnopilus aeruginosus

Gymnopilus aeruginosus
Gymnopilus aeruginosus growing from a pile of wood mulch
Scientific classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hymenogastraceae
Genus: Gymnopilus
Species:
G. aeruginosus
Binomial name
Gymnopilus aeruginosus
(Peck) Singer (1951)
Synonyms
  • Pholiota aeruginosa Peck (1890)
Gymnopilus aeruginosus
Gills on hymenium
Cap is convex
Hymenium is adnexed or adnate
Stipe has a ring
Spore print is yellow-orange
Ecology is saprotrophic
Edibility is psychoactive

Gymnopilus aeruginosus, also known as the magic blue gym, is a mushroom-forming fungus. It has a rusty orange spore print and a bitter taste. Growing in clusters on dead wood, it is widely distributed and common in the Pacific Northwest. It contains the psychedelic chemical psilocybin.