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
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
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.