Primary Stem Color is: 1- White, Buff, or Light Gray
Showing 33–48 of 178 results
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Boletus subsanguineus
Viscid, bright red cap fades w/age. White cap flesh slowly stains pale brownish lilac. Pinkish baby pores age to brownish yellow & bruise pale brown.
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Boletus variipes
Buff/yellow-brown/brown cap often cracks & fissures with age & hot weather. White pores turn dingy yellow with age. Often bulbous stem is usually netted either white or brown.
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Boletus vermiculosoides (“Brown Pored Bolete”)
Dark brown or red-brown pores pale w/age & bruise a blackish blue that slowly fades to brownish orange. Pungent odor. Often buggy. Likes oak.
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Boletus vermiculosus (“Brown Pored Bolete”)
Dark brown or red-brown pores pale w/age & bruise a blackish blue. “Vermiculosoides with a darker cap and pores with bruising that does not fade.” Faint chlorine smell.
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Butyriboletus pulchriceps
Smells nutty sweet. Pale pink cap darkens by edge & often cracks. Well but delicately netted, lighter-than-cap colored stem. Found in Arizona. Likes oak.
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Caloboletus firmus (“Piedmont Bolete”)
Dense, firm, pale yellow cap flesh blues, sometimes slowly, and tastes mildly bitter. Red-orange pores stain blue. White-tan-gray stem, usually w/red netting, bruises olive-brown.
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Caloboletus rubripes (“Western Bitter Bolete”)
Pale cap flesh blues instantly, tastes bitter & often smells bad. Yellow pores blue instantly. Buff to olive- or gray-brown cap bruises brown & often cracks & fissures w/age.
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Chalciporus piperatoides
Slow, acrid flavor. Pinkish to yellowish buff-brown flesh, usually blues esp. by the tubes. Yellow pores age to cinnamon & stain blackish blue. Bright yellow mycelium.
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Fistulinella gloeocarpa
Small viscid/hairy/bumpy cap with a long white or buff stem. White/buff stem may have a ring. Pores covered by a veil when young.
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Gastroboletus citrinobrunneus
Irregular, undulating, oft-wrinkled or ridged, yellow cap w/brown on the redges & margin, quickly bruises blue-green.
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Gastroboletus xerocomoides
Stunted, irregularly shaped, olive-yellow to pale olive-brown cap often cracks. White cap flesh stains brown in some parts & blue in others.
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Gastrosuillus suilloides
Stem often stunted. Greenish- to olive-yellow pores are covered by a membrane. Stem & cap both buff to brown. Nothing stains.
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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.”

