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Psilocybe liniformans americana Magic Mushrooms

Psilocybe liniformans: Background

Psilocybe liniformans americana magic mushrooms are the smaller of two subspecies of Psilocybe liniformans. Both species have been noted to elicit allergic reactions.

Psilocybe liniformans: Habitat

Psilocybe liniformans americana magic mushrooms grow scattered to gregariously in rich pastures or grasslands from summer to early winter. It has been reported in Washington, Oregon, and Michigan, and even as far south as Chile, where it fruits in the spring.

Psilocybe liniformans: Taxonomy/Naming



Species Name


Sub Species


Common Name

Psilocybe liniformans: Physical Description


Cap is convex to nearly plane and may have a broad central bump. It is dull grayish brown to slightly olivacous with a more reddish center.


Gills reach the stem but do not attach, are semi-distantly spaced, broad, and become dark chocolate brown to purplish brown with sporulation.

Spore Print

Dark purple-brown


Dark purple-brown


Stem has an enlarged base which is whitish to very pale brown, potentially brusing blue. Lower portion has presence of fine fibers and partial veil is thin and fleeting.

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