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Search for "GYMNOPILUS|purpuratus": 2 articles found in Index.

HOLEC J., ANTONÍN V., GRACA M., MOREAU P.-A. (2003): Gymnopilus igniculus - find from the Czech Republic and notes on its variability.   [fungi, Agaricales, Cortinariaceae, violet-coloured Gymnopilus, Europe, taxonomy, ecology, coal mine dumps]  Czech Mycology 55(3-4): 161-172   (published: 22nd December, 2003)
  abstract   Gymnopilus igniculus Deneyer, P.-A. Moreau et Wuilbaut (Agaricales, Cortinariaceae), a violet-coloured species described in 2002 from Belgium, was found in the city of Ostrava, part Radvanice, Czech Republic. The fruitbodies grew on decaying wood of Fraxinus in a unique habitat - a burning coal mine dump, the surface of which reached about 45'C. The most important characters of the fruitbodies are the purplish to vinaceous- or reddish-brown colour of the pileus covering which is tomentose-fibrillose when young and fibrillose-squamulose to distinctly scaly at maturity, they ellow pileus ground, the absence of any ring, the whitish membranaceous to fibrillose veil, the stipe distinctly longitudinally purplish brown fibrillose on the dirty white or slightly violaceous ground, the context yellowish with reddish-violaceous tinge and fungoid smell, there latively large spores [8.0-9.5(-ll) X 6.0-6.8(-7.2) fim] with rough verrucose to verrucose-rugulose ornamentation, the variable shape of cheilocystidia and the absence of pleurocystidia. A detailed description of macro- and microcharacters, colour photographs of fresh fruitbodies and line drawings are provided. Some characters deviating from the Belgian collections are discussed and remarks on other European finds of Gymnopilus with violet colours are added.

STIJVE T. (1995): Worldwide occurrence of psychoactive mushrooms - an update.   [Psychoactive mushrooms, psilocybin, ibotenic acid, recreational use]  Czech Mycology 48(1): 11-19   (published: 16th May, 1995)
  abstract   An update is given on the recorded psilocybin- and ibotenic acid-containing mushrooms on a worldwide scale. Many new psilocybian species have been discovered during the last 15 years, including representatives of the genera Psilocybe, Panaeolus, Inocybe, Gymnopilus and Pluteus, whereas only Amanita regalis was identified as a new and potent source of ibotenic acid. Recreational use of psychoactive mushrooms has spread from the USA to Europe, but here, like anywhere else, it remains a marginal phenomenon. The mushrooms commonly used are limited to a few species: in Europe it is almost invariably Psilocybe semilanceata, whereas in the USA Psilocybe cubensis is widely used. Locally, Psilocybe stuntzii and Panaeolus subbalteatus have also gained some popularity. Misuse in South America or Asia is virtually unknown, in spite of the easy availability of psychoactive fungi. The trade in “magic mushrooms”, e.g. Psilocybe cubensis and Copelandia cyanescens on the Thai island of Koh Samui, or in Indonesian Bali, only caters to European and American tourists. Finally, young people and members of the drug-using subculture in Australia and New Zealand have also become aware of the psychoactive fungi growing in their respective countries

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