3. Found in Michigan
Based on A. Smith & H. Thiers, THE BOLETES OF MICHIGAN (The University of Michigan 1971), found online at http://www.mykoweb.com/systematics/literature/Boletes of Michigan.pdf)
Showing 1–16 of 162 results
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Aureoboletus auriporus (“Sour Gold-Pored Bolete”)
Brilliant yellow pores dull w/ age & usually stain a slow brick red. Pinkish red layer above cap flesh & below cap skin. Viscid, easy to remove cap skin tastes sour. Stem often long.
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Aureoboletus betula (“Shaggy Stalked Bolete”)
Cap ranges from yellow to very red. Long, shaggy, oft-curved stem. Flesh green-yellow or orange-yellow. Very deep pores. Tart flavor.
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Aureoboletus innixus (“Clustered Brown Bolete”)
Often grows in clusters. Yellow w/brown stem often viscid by base. Bright yellow mycelium. Pale cap flesh w/ reddish brown by the skin. Powerful odor.
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Aureoboletus mirabilis (“Admirable Bolete”)
Deep purple or red cap browns w/age, getting more velvety & less viscid. Netted stem colored like cap, but paler. Yellow mycelium.
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Aureoboletus projectellus
Cap flesh tastes lemony. Well-netted red to brown stem. Likes sandy soil and pine, esp. Scots Pine. Cap edge projects past the pores to form a ridge.
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Aureoboletus roxanae
Grainy cap smooths a bit w/age. Pale cap flesh DNS & can have an unpleasant taste. White pores age yellow, & stain cinnamon. Yellow-orange, lined stem w/orange band on top.
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Aureoboletus russellii (“Russell’s Bolete”)
Long, deeply textured, pink-tan to red-brown stem is quite viscid, esp. by the base. Variable-colored cap often fissured or in scale-like patches.
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Austroboletus gracilis (“Graceful Bolete”)
Pink or whitish cap flesh DNS. Tubes are very deep & very depressed at the stem. Long, oft-curved, oft-ridged, pale-cap-colored to brownish stem.
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Baorangia bicolor (“Bicolor Bolete”)
Red cap fades w/age. Shallow, bright yellow pores may bruise blue, esp. when mature. Red-and-yellow stem. Red bug holes in yellow stem flesh.
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Boletellus chrysenteroides
Reddish brown/black, scabered stem, often w/yellow high up, stains blue from handling & then slowly reddens. Grows on or around dead wood. Yellowish pores bruise blue.
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Boletellus pseudochrysenteroides
Red cap ages olive-brown, & gets deeply cracked/fissured. Yellow cap flesh blues & often tastes acidic. Yellow pores stain blue & resolve to brown.
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Boletinellus merulioides (“Ash Tree Bolete”)
Yellow pores have distinct veins across the surface, & often stain slowly blue.
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Boletus alutaceus (“Leather Colored Bolete”)
Greenish yellow pores DNS. Pinkish-brown cap w/white flesh that stains pinkish & may smell grainy. Stem paler than cap, often w/a yellow foot.
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Boletus atkinsonii (“Atkinson’s Bolete”)
Grayish- to yellow-brown cap may crack w/age esp. by the edge. Buff stem w/fine brownish netting. Likes oak & beech.

