29 species
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Scientific name
Common name
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Psilocybe atrobrunnea
Habitat: Gregarious in swamps and bogs
Spores: August-October
Psilocybe baeocystisbaeos, potent psilocybe, knobby tops
Description: Sticky, conical, brown cap with brownish gills and off-white stalk; bruising blue.
Habitat: Scattered to numerous, in wood chips, on decayed wood, and decaying moss.
Spores: September-November
Psilocybe coprophilameadow muffin mushroom
Description: Sticky, brownish cap with brown gills and yellowish-brown stalk
Habitat: Singled to numerous, on horse or cow dung.
Spores: June-October
Psilocybe cyanescensblueleg brownie, cyans, blue halos, blueing psilocybe, potent psilocybe, wavy-capped psilocybe
Description: Tacky, wavy, brown cap, fading to yellowish, with brownish gills and whitish stalk; bruising blue.
Habitat: Several to many, in coniferous mulch
Spores: September-November
Psilocybe cyanofibrillosablue-haired psilocybe, rhododendron psilocybe
Psilocybe inquilinagrass rotting psilocybe
Psilocybe merdariadung mushroom
Substrate: Horse dung
Spores: April-October
Psilocybe montanamountain brownie, mountain moss psilocybe
Description: Small, dark brown mushroom; in moss.
Distribution: Has been reported from much of the temperate Northern Hemisphere.
Habitat: Common at higher elevations
Substrate: Moss
Spores: July-September
Psilocybe pelliculosaconifer psilocybe
Description: Sticky, dark brown, conical cap with brown gills and off-white, hairy stalk.
Distribution: Confined to the Pacific Coast
Habitat: P. pelliculosa typically grows in groups among herbaceous plants in disturbed forest settings. It often can be found along trails or the edges of forest roads.
Substrate: Conifer mulch in woods
Spores: September to November
Psilocybe semilanceataliberty-cap, magic mushroom
Description: Slimy, narrowly conical, brown to tan cap with brownish gills and smooth, off-white stalk; in pastures and manured areas.
Habitat: Scattered to numerous, in tall grass and grassy hummocks in cow pastures.
Spores: Late August to November
Psilocybe stuntziiStuntz's blue-legs, blue-ringers, Stuntz's psilocybe
Description: Sticky, brownish cap with brownish gills and brownish, ringed stalk; bruising blue.
Distribution: It is not often found in natural habitats. It is another species apparently confined to the Pacific Coast, particularly the PNW.
Habitat: P. stuntzii occurs frequently in well mulched newly planted lawns, as well as in wood chips and other landscape settings.
Substrate: Coniferous wood-chip mulch
Spores: September-December