Psilocybe semilanceata (Fr.:Fr.) P. Kumm.
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common name(s) : Liberty Cap, Magic Mushroom
New classification: Basidiomycota/Agaricomycotina/Agaricomycetes/Agaricomycetidae/Agaricales/Strophariaceae
Former classification: Basidiomycota/Homobasidiomycetes/Agaricomycetideae/Cortinariales/Strophariaceae
synonyms: Agaricus semilanceatus
(unconfirmed synonyms: Panaeolus semilanceatus)
edibility : poisonous
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The cap is olive yellowish, with a central umbo.
The cap surface is smooth, viscid or sticky.
The stem is yellowish, without ring.
The flesh is cream to yellowish, unchanging; its taste is mild; the odour is faint, of grass or radish;
its texture is fibrous.
The gills are pale clay then blackish purple red, adnate, crowded .
The spore print is purple brown. This species is saprophytic.
It grows on the ground, on a rather acid soil.
The fruiting period takes place from July to December.
Dimensions: | width of cap approximately 1.5 cm (between 0.5 and 2 cm) |
| height of stem approximately 7 cm (between 2.5 and 12 cm) |
| thickness of stem (at largest section) approximately 1.5 mm (between 1 and 3 mm) |
Chemical tests : none.
Distinctive features : Brown to ochre cap, hygrophanous, shaped like an elf hat, covered with a detachable slimy film; sometimes turning blue when touched; brown to blackish gills, with a white edge; blue-green stem base; in rich grassy areas : meadows, pastures, lawns
Psilocybe semilanceata is rare and confined in the forest of Rambouillet, and is occasional, more generally speaking
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| | Above : distribution map of Psilocybe semilanceata in the forest of Rambouillet |
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page updated on 14/01/18