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In 2007, a paper by Redhead et al. proposed conserving the genus Psilocybe with Psilocybe semilanceata as its type species. [5] The suggestion was accepted by unanimous vote of the Nomenclature Committee for Fungi of the International Botanical Congress in 2010, meaning that P. semilanceata (a member of the bluing clade) now serves as the type species of the genus. [6]
Psilocybin mushrooms are mushrooms which contain the hallucinogenic substances psilocybin, psilocin, baeocystin and norbaeocystin. The mushrooms are collected and grown as an entheogen and recreational drug, despite being illegal in many countries .
Cultivation of psilocybin mushrooms is considered drug manufacture in most jurisdictions and is often severely penalized, though some countries and one US state (New Mexico) has ruled that growing psilocybin mushrooms does not qualify as "manufacturing" a controlled substance.
Prior to 2002, psilocybin mushrooms were widely available in Japan and were often sold in mail-order shops, online vendors and in head shops throughout Japan; according to Hideo Eno of Japan's Health Ministry narcotics division, prior to 2002, "You can find them [psilocybin mushrooms] anywhere."
The effects of psilocybin mushrooms come from psilocybin and psilocin. When psilocybin is ingested, it is broken down by the liver in a process called dephosphorylation . The resulting compound is called psilocin, responsible for the psychedelic effects. [ 40 ]
Psilocybe chuxiongensis is a species of psilocybin mushroom in the family Hymenogastraceae. Described as new to science in 2014, it is found in subtropical China. The type specimens, collected in August 2009, were found growing singly to scattered on cow dung. It is generally found in grasslands where cattle have grazed.
Conocybula cyanopus is hallucinogenic, containing psilocin, psilocybin, baeocystin, norbaeocystin and aeruginascin. [3] [9] Paul Stamets stated in 1996 that fruit bodies of Co. cyanopus have been found to contain anywhere from 0.33 to 1.01% (of dry weight) psilocybin, 0–0.007% psilocin, and 0.12–0.20% baeocystin. [6]
Psilocybe cubensis. Psilocybe cabiensis Guzmán, M.Torres & Ram.-Guill [1] [2]; Psilocybe caeruleoannulata Singer ex Guzmán; Psilocybe caerulescens Murrill; Psilocybe caeruleorhiza Canan, Ostuni, Rockefeller & Birkebak [3]