An independent scientific referenceTaxonomy · Evidence · Context
PSILOCYBIAA monograph for the digital age.
Research edition Accounts distinguish agent source checks from human review. Research coverage is incomplete. Read our standards

The Psilocybe Index · Research edition

The genus Psilocybe, documented.

Taxonomy, chemistry, ecology and history from the scientific record. A reference for what is known, and what remains unresolved.

Explore the Psilocybe Index
Figure 01Field photograph
Slender fruit bodies with conical brown caps among green grass; several show their gills.

Psilocybe mexicana

Veracruz, Mexico · 2019-07-02

Source identification: Psilocybe mexicana. Mushroom Observer observation 372243.

Photograph: Alan Rockefeller · Source · CC BY-SA 4.0

Resized and re-encoded; full composition retained.

01What do we actually know?

View evidence coverage ↗

A name in an index is not the same as a well-studied species. This project will make the depth—and the limits—of the evidence visible.

25Public records0 prototype records
25Agent source-checked0 human-reviewed accounts
16Assay records enteredNot a count of published studies
14Molecular records populatedNot a statement of availability

These counts describe the published collection. They do not represent accepted species totals or scientific evidence across the genus.

02A reference, in depth

About Psilocybia ↗

I / Taxonomy

The genus

Names, relationships and the changing boundaries of a genus.

From the photographic collection

Sources & image licences ↗

Photographs connect the accounts to observed material. Each retains its source identification, credit and collection context.

Figure 02Field photograph
Close view of tan caps, exposed brown gills and pale stems among wood fragments.

Psilocybe allenii

2017-11-21

Source identification: Psilocybe allenii. iNaturalist observation 14375960; photograph 21373752.

Photograph: Alan Rockefeller · Source · CC BY 4.0

Resized and re-encoded; full composition retained.

Figure 03Field photograph
Arranged fruit bodies with broad dark gills and curved stems on leafy ground.

Psilocybe caerulescens

Jalisco, Mexico · 2011-08-08

Source identification: Psilocybe caerulescens. Mushroom Observer observation 84252.

Photograph: Alan Rockefeller · Source · CC BY-SA 3.0

Resized and re-encoded; full composition retained.

Figure 04Field photograph
Pale-capped fruit bodies arranged in grass, showing cap surfaces, gills and stems.

Psilocybe mescaleroensis

New Mexico, USA · 2016-08-31

Source identification: Psilocybe mescaleroensis. Mushroom Observer observation 260056; not the type collection.

Photograph: Alan Rockefeller · Source · CC BY-SA 4.0

Resized and re-encoded; full composition retained.

Photographs are not sufficient for mushroom identification.

Anatomy of a species record

Psilocybe
semilanceata

Read the species account

What is actually known about this species?

One reusable record brings together nomenclature, description, ecology, chemistry and history. Sources belong to the data. Missing evidence has a place on the page.

Agent source-checked account. Each populated section cites its sources. Research gaps and the absence of human review remain explicit.

03The shape of the evidence

How we handle uncertainty ↗
Research coverage of 25 records. This is editorial progress, not a survey of the genus.
SpeciesTaxonomyDescriptionMolecular dataOccurrencesChemical analysisModern assayConservation
Psilocybe alleniiSSSSS
Psilocybe azurescensSSSSS
Psilocybe cabiensisS
Psilocybe caerulescensSSSS
Psilocybe caerulipesSSSS
Psilocybe cubensisSSSSS
Psilocybe cyanescensSSSSS
Psilocybe eximiaS?
Psilocybe fuscofulvaSSSS
Psilocybe hispanicaS?
Psilocybe keralensisS
Psilocybe liniformansSSS
Psilocybe magnisporaS
Psilocybe medullosaSSSSS
Psilocybe meridionalisS
Psilocybe mescaleroensisSS
Psilocybe mexicanaSSSSS
Psilocybe ovoideocystidiataSSSSS
Psilocybe samuiensisSS
Psilocybe semilanceataSSSSS
Psilocybe serbicaSSSSS
Psilocybe subtropicalisS
Psilocybe wayanadensisS
Psilocybe yungensisSSS
Psilocybe zapotecorumSSS?S

○ Not yet researched by Psilocybia   S Agent source-checked   ✓ Human reviewed   ? See record for uncertainty or missing evidence. An empty research record does not mean evidence is absent.