Psilocybe subaeruginascens

Psilocybe subaeruginascens is a psychedelic mushroom which has psilocybin and psilocin as main active compounds. This mushroom is closely related to Psilocybe subfimetaria and Psilocybe stuntzii.

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Description

• Cap: 1-6 cm, conical to convex, tan brown, hygrophanous, margin striate when moist, often with a broad umbo. Bruising bluish where damaged.
• Gills: Crowded, sometimes forking, slightly mottled, cream color when young, violet brown in age, with adnate to adnexed and sometimes subdecurrent attachment.
• Spores: Dark violet brown, rhomboid to subrhomboid to subellipsoid, 7.5-12 x 6.5-8.5 um.
• Stipe: 2.5 to 6.5 cm long, .2 to .3 cm thick, white to grey, finely striate, equal to slightly enlarged near the base. With a well developed partial veil which leaves a persistent membranous annulus on the upper stem. Bluing where damaged.
• Taste: Farinaceous.
• Odor: Farinaceous.
• Microscopic features:

Distribution and habitat

Grows in gregariously and in cespitose clusters in wood chips, piles of leaves and woody debris in urban areas and along trails and roads in deciduous forests and gardens. Found April to July in southern Japan and subtropical Indonesia. Also reported from the Bay Area, California.