Amanita jacksonii

Amanita jacksonii

''Amanita jacksonii'' is a species of fungus in the Amanitaceae family. It is a reddish-orange colored mushroom species extending from the Province of Quebec, Canada to at least the State of Hidalgo, Mexico. It was given its current name in 1984 by Canadian mycologist René Pomerleau. It can be identified by its yellow gills, large, white, sacklike volva, and bright orange or orange red cap, which has lined margins.
Amanita jacksonii Habitat: Adirondack Mountains -- I'm not sure what the exact location was because we were mountain hiking.

*The Adirondack mountains are located in northeastern New York and contains more than 6 million acres of forests, including mountains, wetlands, and old-growth forests.
https://www.jungledragon.com/image/117693/amanita_jacksonii.html
https://www.jungledragon.com/image/117691/amanita_jacksonii.html
https://www.jungledragon.com/image/117689/amanita_jacksonii.html
https://www.jungledragon.com/image/117690/amanita_jacksonii.html
https://www.jungledragon.com/image/117692/amanita_jacksonii.html Amanita jacksonii,Geotagged,Summer,United States

Appearance

The cap of the mushroom is 8–12 cm, 80 – 120 mm wide; oval at first, becoming convex, typically with a central bump; sticky; brilliant red or orange, fading to yellow on the margin; typically without warts or patches; the margin lined for about 40-50% of the cap's radius. The red pigment fades from margin toward the center with age. Gills are moderately crowded to crowded, orange-yellow to yellow-orange to yellow. They are free from the stem or slightly attached to it; yellow to orange-yellow; crowded; not bruising. The short gills are subtruncate to truncate. Its stipe or stem is yellow and is decorated with orange fibrils and patches that are the remnants of a felted extension of the limbus internus of the otherwise white volva. The spores measure 7.8 - 9.8 × 5.8 - 7.5 µm and are broadly ellipsoid to ellipsoid and inamyloid. Clamps are common at bases of basidia. Flesh looks whitish to pale yellow; not staining on exposure.

References:

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyAmanitaceae
GenusAmanita
SpeciesA. jacksonii