American Floury Amanita

Amanita farinosa

''Amanita farinosa'', commonly known as the Eastern American floury amanita or the American floury amanita, is a North American poisonous mushroom of the genus ''Amanita'', a genus of fungi including some of the most deadly mushrooms.
American Floury Amanita (Amanita farinosa) On a mossy ridgeside base (below a Mountain laurel stand) adjacent to a pond. 
https://www.jungledragon.com/image/117746/american_floury_amanita_amanita_farinosa.html
https://www.jungledragon.com/image/117745/american_floury_amanita_amanita_farinosa.html Amanita farinosa,Geotagged,Summer,United States

Appearance

The cap is 2.5–7 cm 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 centimeters thick. The stem is white to tan in color. 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 doesn't stain on exposure. In old specimens, the smell can be strong and that of mink.
American Floury Amanita (Amanita farinosa) On a mossy ridgeside base (below a Mountain laurel stand) adjacent to a pond.
https://www.jungledragon.com/image/117747/american_floury_amanita_amanita_farinosa.html
https://www.jungledragon.com/image/117746/american_floury_amanita_amanita_farinosa.html Amanita farinosa,Geotagged,Summer,United States

Distribution

An uncommon mushroom, it is found across North America in late summer to late autumn in coniferous or deciduous woodlands.

References:

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyAmanitaceae
GenusAmanita
SpeciesA. farinosa