Revised January 9, 2005; October 6, 2007; and April 20, 2013.
Copyright 1998-2013 by John W. Allen.

Psilocybe subcubensis Guzmán


Psilocybe subcubensis Guzmán (Koh Samui, Thailand).


Cap: (10-) 18-50 (-70) mm in diam., conic to convex, becoming campanulate to gradually expanding to plain. Color copper in center to a light golden brown. Hygrophanous in drying, remnants of a veil, and bluing in the edge of the cap when injured.

Gills: Adnate to adnexed to seceding. At first dark gray becoming deep violet gray to dark purplish brown. Sometimes mottled with whitish edges.

Stem: (30-) 50-80 (-100) x (3-)4-6(-10)mm, equal, hollow, stem whitish to a creamy white or yellow brown when faded, easily staining blue where damaged. Fibrillose below the annulus.

Spores: (9.9-) 11-13 (-14) x 7.7-8.8 x 6.6-7.1 µ.

Sporeprint: Chocolate to purple-brown.

Habitat: Gregarious, rarely solitary or scattered, on cow dung, rarely on horse manure. Also in rich soil in pastures and meadows, along roadsides in manure heaps.

Distribution: This is a pantropical and subtropical species. Found in Mexico, Colombia, Bolivia, Ecuador, Honduras, El Salvador, Venezuela, Australia, India, Nepal, Thailand, Cambodia, Vietnam, and parts of the Philippine Islands.

Season: Fruiting in summer but also in other seasons (as do most finicolous fungi.

Dosage: Same as for Psilocybe cubensis. One ounce fresh or over, 1 dried gram to as many as 3-5 grams dried=1 fresh ounce. Ten doses in one dried ounce. The equivalent of a Mazatec ceremonial dosage.

Comment: This species is macroscopically similar to Psilocybe cubensis with the difference occurring only in the size of the spores. Psilocybe subcubensis has smaller spore than Psilocybe cubensis.

Psilocybe subcubensis Photo Gallery

Next Page
Return to species Index
Return to Main Index