Amanita farinosa
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Amanita farinosa, commonly known as the floury amanita,[1] eastern American floury amanita or the American floury amanita,[2] is a North American poisonous mushroom of the genus Amanita,[3] a genus of fungi including some of the most deadly mushrooms.
Taxonomy
Two recent molecular studies show that A. farinosa is part of a subgroup within Amanita with its close relatives A. muscaria, A. gemmata and A. roseotincta.[4][5]
Description
The cap is Script error: No such module "convert". in diameter, domed in young and flat in older specimens, with a striate margin. It is whitish grey and covered with brownish grey volval or mealy material. The gills are white. They may be attached to the stem or free. They are close and crowded and not bruising. The stem, or the stipe, lacks a ring and at its base a smallish bulb or volva. It measures up to 6.5 cm high, 1–3 cm thick. The stem is white to tan in color.[6] The spores are white. They are 5.5–8 x 6–8 μm in measurement and inamyloid. The spores are smooth and round to broadly elliptical. The flesh is white in color. It does not stain on exposure.[6] In old specimens, the smell can be strong and that of mink.
The poisonous mushroom resembles some other members of its genus.[7]
Distribution and habitat
An uncommon mushroom, it is found in eastern North America from summer to autumn underwood hardwood trees.[7]
See also
Footnotes
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- ↑ Siegel, Noah; Schwarz, Christian (September 1, 2024). Mushrooms of Cascadia: A Comprehensive Guide to Fungi of the Pacific Northwest. Humboldt County, CA: Backcountry Press. p. 54. Template:ISBN.
- ↑ Template:NGSWG
- ↑ Script error: No such module "citation/CS1".
- ↑ 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.
- ↑ 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
- ↑ a b Kuo, M. (2008, March). Amanita farinosa. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/amanita_farinosa.html
- ↑ a b Script error: No such module "citation/CS1".
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