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Boletus frostii.   Click a photo to enlarge it.   back to list

synonyms: Frost's Bolete
Boletus frostii Mushroom
Ref No: 7256
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Boletus frostii2 Mushroom
Ref No: 7257
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location: North America
edibility: Poisonous/Suspect
fungus colour: Red or redish or pink
normal size: 5-15cm
cap type: Convex to shield shaped
stem type: Simple stem
flesh: Flesh discolours when cut, bruised or damaged, Mushroom slimy or sticky
spore colour: Olivaceous
habitat: Grows in woods, Grows on the ground

Boletus frostii Russ. apud Frost Frost's Bolete Cap 5-15cm across, convex then flat; deep blood red with a white bloom at first, soon disappearing, margin of cap with a very narrow yellow zone; smooth, quite viscid at first, then tacky to dry. Tubes sunken around stem; yellow to yellow-green, bruising blue. Pores very fine; intense deep blood red to purple, with white bloom when young, fading to orange-red when old. Stem 40-120 x 15-25mm, equal to slightly clavate; colored as cap but with prominent raised network over entire surface, the ridges of the network yellow overlying the blood-red background. Flesh yellow, instantly turning blue when cut. Odor pleasant. Taste pleasant. Spores fusiform, smooth, 11-15 x 4-5. Deposit olive-brown. Habitat in oak woods. Often locally common. Found throughout eastern North America from the Great Lakes region to Florida. Season July-September. Edible but not recommended.

Members' images and comments

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Paul McHugh (United States) - 27 August 2013

Lincoln massachusetts, August 2011
Boletus frostii2
randy wade (United States) - 19 October 2012

farwell, MI
Boletus frostii2
Kristina Trott (United States) - 17 August 2012

reflected glory... All stages of this mushroom are beautiful!
Boletus frostii2
Kristina Trott (United States) - 15 August 2012

Dancing?
Boletus frostii2
Kristina Trott (United States) - 15 August 2012

Wonderful find, a jewel in the woods...
Boletus frostii2
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