Psilocybe quebecensis

Psilocybe quebecensis is a hallucinogenic mushroom native to the province of Quebec in Canada. It is rumored to grow wild in the valley of the river Jacques Cartier, and to fruit at a temperature of 6°C to 15°C from summer to late October. This is the most northern known psilocybin mushroom. [1]

Macroscopically this mushroom resembles Psilocybe baeocystis.

• Ola’h, Gyorgy Miklos & Heim, R. 1967. Une nouvelle espèce nord-américaine de Psilocybe hallucinogène: Psilocybe quebecensis. Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences 264: 1601-1604.

• Olah GM. The fine structure of Psilocybe quebecensis. Mycopathol Mycol Appl. 1973 Apr 30;49(4):321-38. PMID 4122667

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