Amanita farinosa
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| iAmanita farinosa | ||||||||||||||||
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| Amanita farinosa (Schw.) |
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Amanita farinosa is a North American poisonous mushroom of the genus Amanita, a genus of fungi including some of the most deadly mushrooms, as well as notably psychedelic mushrooms.
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[edit] Description
The cap is 2.5-7 cm (1-2.8 in) in diameter, domed in young and flat in older specimens, with a striate margin. It is whitish grey and covered with brownish grey volval material. The gills are white , as is the stipe (stem). The stem, up to 6.5 cm high, lacks a ring, and at its base a smallish bulb.
[edit] Distribution and habitat
An uncommon mushroom, it is found across North America in late summer to late autumn in coniferous or deciduous woodlands.
[edit] Classification
Two recent molecular studies show that Amanita farinosa is part of a subgroup within Amanita with its close relatives the Fly Agaric (Amanita muscaria), A. gemmata and A. roseitincta<ref>Moncalvo J-M, Drehmel D, & Vilgalys R. (2000). Variation in modes and rates of evolution in nuclear and mitochondrial ribosomal DNA in the mushroom genus Amanita (Agaricales, Basidiomycota): phylogenetic implications. Molecular Phylogenetic and Evolution 16:48-63. </ref><ref>Drehmel D, Moncalvo J-M, & Vilgalys R. (1999). Molecular phylogeny of Amanita based on large subunit ribosomal DNA sequences: implications for taxonomy and character evolution. Mycologia 91:610-618</ref>.
[edit] Footnotes
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