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Psilocybe fimetaria
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hymenogastraceae
Genus: Psilocybe
Species:
P. fimetaria
Binomial name
Psilocybe fimetaria
(Orton) Watling (1967)
Synonyms[1]
  • Stropharia fimetaria P.D.Orton (1964)
Psilocybe fimetaria
View the Mycomorphbox template that generates the following list
Gills on hymenium
Cap is convex or umbonate
Hymenium is adnexed or free
Stipe has a cortina
Spore print is blackish-brown to purple
Ecology is saprotrophic
Edibility is psychoactive

Psilocybe fimetaria is a psilocybin mushroom, having psilocybin and psilocin as main active compounds. It grows exclusively on horse and cow dung.

Etymology

Description

The gills of P. fimetaria are adnexed or freely attached, curving up before meeting the top of the stem

Habitat and distribution

P. fimetaria is found growing solitary to gregariously on horse or cow dung, in grassy areas, from September to November. Psilocybe semilanceata may be an indicator species for P. fimetaria, as they favour similar grasses, soil types and climatic conditions. It is widely distributed but not very common.

It has been recorded in Great Britain, Iceland and much of mainland Europe. Despite what much of the literature states, there have not been confirmed recordings of P. fimetaria in Asia or the Americas.

Similar species

P. fimetaria is phylogenetically a close relative of Psilocybe liniformans. Not only do they often grow in the same habitat, but they are macroscopically similar. The best way to differentiate the species by testing for the presence of separable gelatinous threads running along the bottom edge of the gills. This feature would indicate P. liniformans.

Deconica coprophila can also appear similar but can be distinguished by its adnate or subdecurrent gill attachment, less-dense gill spacing and its cap being a deeper red colour.

Gallery

References

  1. ^ "GSD Species Synonymy: Psilocybe fimetaria (P.D. Orton) Watling". Species Fungorum. CAB International. Retrieved 2014-11-30.