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



Psilocybe subcubensis Guzmán


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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.




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