Created May 1, 2002; Revised January 9, 2005; October 11, 2007; and April 8, 2013.
Copyright 1998-2013 by John W. Allen.


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Psilocybe fimetaria (P. D. Orton) Watling [=Psilocybe caesieannulata Singer; Stropharia fimetaria P. D. Orton].
 

Cap: (.5) 1-2.5 (3-6) cm broad. Conic to convex, subcampanulate, expanding to broadly convex. Typically umbonate. Translucent when moist. Pale redish brown to honey to ochraceous. Hygrophanous. Yellow olive to ochraceous or yellow buff. Bruising blue where damaged.

Gills: Adnate, sinuate or uncinate. Purplish brown with white edges.

Stem: (20) 40-65 (90) mm long x (.5) 1-3 (4) mm thick. Equal and swollen at base. White, reddish brown or honey colored with blue green and/or deep sea green tones. Hollow.

Spores: (9.5) 11-14 (16) x 6.5-8.5 (9.5).

Sporeprint: Dark purplish brown.

Habitat: Solitary to gregarious on horse manure, grassy areas in rich soils. Stamets (1996) reports that this species fruits in large rings.

Distribution: Oregon, Washington, and British Columbia, Canada.

Season: October through December.

Dosage: 15 to 30 fresh specimens or 1/4 fresh ounce. 1 to to grams dried.

Comments: This species macroscopically resembles Psilocybe stuntzii and bares some similarity to Psilocybe semilanceata. A related species is Psilocybe subfimetaria which is also similar in appearance to Psilocybe semilanceata.




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