Psilocybe fimetaria

Last updated

Psilocybe fimetaria
FimeteriA.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Hymenogastraceae
Genus: Psilocybe
Species:
P. fimetaria
Binomial name
Psilocybe fimetaria
Synonyms [1]
  • Stropharia fimetariaP.D.Orton (1964)
Psilocybe fimetaria
Information icon.svg
Gills icon.png Gills on hymenium
Convex cap icon.svgUmbonate cap icon.svg Cap is convex or umbonate
Adnexed gills icon2.svgFree gills icon2.svg Hymenium is adnexed or free
Cortina stipe icon.png Stipe has a cortina
Transparent spore print icon.svg
Transparent spore print icon.svg
Spore print is blackish-brown to purple
Saprotrophic fungus.svgEcology is saprotrophic
Mycomorphbox Psychoactive.pngEdibility is psychoactive

Psilocybe fimetaria is a dung-loving mushroom in the genus Psilocybe . Along with Psilocybe fuscofulva , it is one of two Psilocybe mushroom species that has been found to contain no detectable levels of the psychoactive tryptamines psilocin, psilocybin, or others. In the case of Psilocybe fimetaria, this may be due to some individual specimens having a very low concentration, or the species actually being a pair of morphologically similar species. [2]

Contents

Etymology

Description

The gills of P. fimetaria are adnexed or freely attached, curving up before meeting the top of the stem P. fimetaria underside of cap showing gill attachment.jpg
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.

References

  1. "GSD Species Synonymy: Psilocybe fimetaria (P.D. Orton) Watling". Species Fungorum. CAB International. Retrieved 2014-11-30.
  2. Gotvaldová, Klára; Borovička, Jan; Hájková, Kateřina; Cihlářová, Petra; Rockefeller, Alan; Kuchař, Martin (2022). "Extensive Collection of Psychotropic Mushrooms with Determination of Their Tryptamine Alkaloids". International Journal of Molecular Sciences. 23 (22): 14068. doi: 10.3390/ijms232214068 . PMC   9693126 . PMID   36430546.{{cite journal}}: CS1 maint: article number as page number (link)