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・ Psilocybe meridensis
・ Psilocybe meridionalis
・ Psilocybe mescaleroensis
・ Psilocybe mesophylla
・ Psilocybe mexicana
・ Psilocybe moseri
・ Psilocybe muliercula
・ Psilocybe naematoliformis
・ Psilocybe natalensis
・ Psilocybe natarajanii
・ Psilocybe neoxalapensis
・ Psilocybe oaxacana
・ Psilocybe ovoideocystidiata
・ Psilocybe papuana
・ Psilocybe paulensis
Psilocybe pelliculosa
・ Psilocybe pericystis
・ Psilocybe pintonii
・ Psilocybe pleurocystidiosa
・ Psilocybe plutonia
・ Psilocybe portoricensis
・ Psilocybe pseudoaztecorum
・ Psilocybe puberula
・ Psilocybe quebecensis
・ Psilocybe rickii
・ Psilocybe rostrata
・ Psilocybe rzedowskii
・ Psilocybe samuiensis
・ Psilocybe schultesii
・ Psilocybe semiangustipleurocystidiata


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Psilocybe pelliculosa : ウィキペディア英語版
Psilocybe pelliculosa

''Psilocybe pelliculosa'' is a species of fungus in the family Hymenogastraceae. The fruit bodies, or mushrooms, have a conical brownish cap up to in diameter atop a slender stem up to long. It has a white partial veil that does not leave a ring on the stem. American mycologist Alexander H. Smith first described the species in 1937 as a member of the genus known today as ''Psathyrella''; it was transferred to ''Psilocybe'' by Rolf Singer in 1958.
''Psilocybe pelliculosa'' is found in the Pacific Northwest region of the United States and Canada, where it grows on the ground in groups or clusters along trails or forest roads in coniferous woods. A single collection has also been reported from Finland. The mushrooms contain the psychedelic compounds psilocybin and baeocystin, although at relatively low concentrations. Several mushroom species that are similar in appearance to ''P. pelliculosa'' can be distinguished by subtle differences in the form of the fruit body, or by microscopic characteristics.
==Taxonomy==
The species was first described scientifically by Alexander H. Smith in 1937 as ''Psathyra pelliculosa'', based on specimens he collected in Washington and Oregon. The type specimen was collected near Lake Tahkenitch, Oregon, in November 1935.〔 In a 1941 publication, Smith revised his opinion, and considered the species to be the same as ''Hypholoma silvatica'' (later ''Psilocybe silvatica''), as he thought that the slight differences between the two were of no taxonomic significance.〔 After reevaluating these two species in addition to several others closely related, Rolf Singer and Smith later reestablished the taxon and transferred it to ''Psilocybe'' in 1958.〔 ''Psilocybe'' authority Gastón Guzmán classified the species in the section ''Semilanceatae'', a grouping of related species characterized by having roughly ellipsoid, usually thick-walled spores, and lacking pleurocystidia.〔Guzmán (1983), p. 342.〕
The specific epithet ''pelliculosa'' is derived from the Latin ''pellicula'', meaning "film",〔 and refers to the gelatinous pellicle of the cap.〔 The mushroom is commonly known as the "conifer Psilocybe"〔 or the "striate Psilocybe".〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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