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SPECIES ATLAS · PANAEOLUS

Panaeolus fimicola

Named by (Pers.) Gillet, 1878

Psilocybin record: reported (one or older reports)

A history of a name and a chemistry record, not an identification guide. No name, picture or description can show that a wild mushroom is safe, and poisonous mushrooms are mistaken for magic mushrooms. If someone may have eaten a wild mushroom, call a poison centre without waiting for symptoms: 1-844-POISON-X in most of Canada, 1-800-463-5060 in Quebec. Call 911 if they’re unconscious, not breathing or having a seizure.

How it was named.

Persoon published Agaricus fimicola in 1801 in Synopsis methodica fungorum. Gillet moved it to Panaeolus in 1878. Index Fungorum ties the name to an 18th-century illustration rather than a preserved specimen.

Named
(Pers.) Gillet, 1878
First published as
Agaricus fimicola Pers. (1801)
Other names in the records
Agaricus fimicola Pers., Coprinarius fimicola (Pers.) Quél., Panaeolus fimicola var. bisporus Contu
Type specimen
No type locality given. Index Fungorum records the typification of Agaricus fimicola Pers. as an illustration (Buxbaum, Cent. 5, 1733, tab. 28, fig. 4), a sanctioned reference. (Index Fungorum record, Agaricus fimicola)
The record we cite gives no map position for the type specimen. Land outlines: Natural Earth.

The psilocybin record.

Every analysis we could verify, oldest first, including results that found nothing. No amounts are given: they vary between collections and this is not a potency guide.

  1. 2023

    Reported Listed in a review table as containing psilocybin and psilocin, citing Andersson et al. 2009, Guzmán et al. 1998, Alam 2013 and Pollock 1976; listed in Strauss et al. 2023 without its own analysis

    Method: review (no analysis). Strauss et al. 2023, Heliyon 9: e16338, Table 3 (full text, PMC10238702)

What the record doesn’t show: We found no primary chemical analysis we could open; the only report seen is a review table citing secondary compilations.

Records on file.

GBIF, the global biodiversity database, held 5,057 occurrence records under this name, 11 of them from Canada, when we checked on October 25, 2026. GBIF held 11 Canadian occurrence records on 25 October 2026. Records include unverified observations and old misidentifications, so counts show where people have recorded the name, not where it grows.

See the name on GBIF

Sources

Compiled from the sources above; last checked .

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