Primary Stem Color is: 2- Yellow to Orange
Showing 33–48 of 220 results
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Boletus fibrillosus
Brown (cinnamon to dark) cap may have white-buff spots, & may be wrinkled or scaly. Well-netted stem is yellow on top & ever-browner going down.
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Boletus holoxanthus
Yellow cap, pores & stem flesh all blue quickly & then fade to dark gray. Coarsely red-netted stem & cap flesh also blue & then fade. Xerocomoid pores.
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Boletus huronensis (“False King Bolete”)
Exceptionally dense. Found in hemlock. Pale yellow pores slowly bruise green-blue, resolving toward brown. Often has a “tide mark” on the stem. Netting is rare. Often tastes sweet.
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Boletus lewisii
Whitish-yellow cap flesh blues erratically, esp. by tubes, & may taste a bit acrid. Yellow pores dull w/age, bruising weakly blue before resolving brownish.
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Boletus luridellus
Yellow flesh stains blue w/ dark indigo in the stem base. Yellow to brown stem (redder base) w/yellow to brown netting. Yellow pores age toward yellow-green or -olive & stain blue/black.
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Boletus mahogonicolor
Deep red (mahogany colored) cap. Yellow flesh quickly blues before fading to red. Very shallow tubes. Yellow pores age greenish then brownish, and bruise blue.
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Boletus mahogonicoloroides
Mahogany (or a bit redder) cap lightens & may stain blue at edge. Yellow cap flesh stains blue, resolving to pale red-brown. Yellowish pores bruise blue-black.
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Boletus melleoluteus
Yellow pores age grayish & stain dark olive-brown. Stem slowly stains red from handling. Pale yellow flesh slowly blues, esp. by tubes.
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Boletus miniato-olivaceus
Rosy pink-red cap tans w/age, usually w/olive patches. Yellow pores stain blue-that-browns, add red w/age & end dingy olive. Yellow mycelium. Pinched base.
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Boletus miniatopallescens
Species Concept In Flux. Avoid using this name for now.
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Boletus oliveisporus
Rich, often shiny, fox-red, cinnamon, or plain brown cap bruises blue-black & may crack w/age. Yellow stem w/red tints ages olive-brown from base up, & bruises blue-black.
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Boletus patrioticus (“Patriotic Bolete”)
Cap context: red zone by skin, white (or pale yellow) flesh, turns blue by the stem. Tastes sour. Blue-bruising yellow pores age darker. Oft-pink upper stem. Likes oak.
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Boletus pseudopinophilus
Stem netting white high, darker on lower 75%. Reddish-brown, oft-wrinkled cap. Creamy pores age to darkening yellow & usually stain blue-gray that turns brownish.
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Boletus purpureorubellus
Viscid purple-red cap. Yellow pores bruise dark blue/gray or blue/black, resolving slowly brown. Stem flesh is yellow high, reddish lower down, staining dark blue. Moss in marshland.

