Edibility: 4- Good
Showing 33–48 of 164 results
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Boletus smithii
Yellow pores stain blue. Stout stem red/pink high & yellow low. Tawny cap reddens & may crack or fissure w/age. Western species.
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Boletus speciosus
Red cap browns in old age & stains blue. Yellow pores & pale yellow cap flesh blue instantly. Well-netted stem yellow above & red by base. Uncommon to rare.
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Boletus subalpinus
Short, fat, cap-colored stem, often netted on top. Cap flesh may stain pink- to gray-lavender. Oft-pitted, white-buff to pale brown cap.
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Butyriboletus abieticola
Short, squat, high altitude mushroom from the west. Lots of yellow netting on yellow stem w/reddish base. Red-pink-tan on yellow cap.
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Butyriboletus autumniregius (“Red-Capped Butter Bolete”)
Oft-pitted/wrinkled cap is usually bright rose- pink to -red. Yellow, oft-bulbous, finely netted stem stains blue. Grows w/mid-elevation mixed woods (not oak) in autumn.
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Butyriboletus brunneus
Brown (reddish, yellow, or olive) cap. Yellow pores & pale yellow flesh blue quickly. Well-netted stem yellow above & pink to purple by base. Early season and late season.
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Butyriboletus primiregius (“Red-Capped Butter Bolete”)
Oft-pitted/wrinkled cap is usually bright rose- pink to -red. Yellow, oft-bulbous, finely netted stem stains blue. Grows w/mountain conifers in spring.
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Butyriboletus querciregius (“Red-Capped Butter Bolete”)
Oft-pitted/wrinkled cap is usually bright rose- pink to -red. Yellow, oft-bulbous, finely netted stem stains blue. Grows w/oak in autumn.
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Chalciporus rubritubifer
Found in Florida. Yellow cap flesh DNS & has a red line above the tubes. Grayish- to dull-red pores age to brownish orange to copper & DNS.
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Cyanoboletus cyaneitinctus
Quick-bluing stem flesh is yellow high & brown at the base. Yellow pores and stem (gets redder going down) bruise blue but resolve to brown.
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Exsudoporus floridanus
Viscid red cap. Yellow cap flesh blues. Red stem very netted, esp. high up. Red or orange-red pores stain blue, w/yellow drops on babies.
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Exsudoporus frostii (“Candy Apple Bolete”)
Candy-apple red (sometimes duller) cap, pores, and stem. Viscid cap. Pores & flesh bruise blue. Stem has coarse, raised netting. Sour taste. Likes oak.
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Gyroporus borealis and smithii, f/k/a castaneus (“Chestnut Bolete”)
Stem stuffed with “cotton” & hollow when old. Flesh is hard and brittle. Brown cap edges often split & flare w/age.
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Gyroporus cyanescens (“Bluing Bolete”)
Brittle white cap flesh (dark brown zone by skin) stains indigo blue, resolving to creamy buff. Stem flesh blues stronger. Cap-colored stem is hollow & stuffed with “cotton.”

