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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Description

Name in North American Boletes: Boletus mirabilis

Genus: Aureoboletus

  • Genus: Boletus
  • Genus 2: Xerocomus

Species: mirabilis

Common Name: “Admirable Bolete”

  • Common Name 2: “Braggart’s Bolete”
  • Common Name 3: “Velvet-Top Bolete”

Tells:  Deep purple or red cap browns w/age, getting more velvety & less viscid. Netted stem colored like cap, but paler. Yellow mycelium.

Other Information: Yellow to yellow-green pores only stain a bit darker if at all. Often attacked with a fungus that causes white spots on the stem and cap. Sometimes fissures w/age. Sometimes grows on dead hemlock. Likes conifers.

Science Notes: DNA testing moved this mushroom into the newly erected genus “Aureoboletus” (“Aureo” from the characteristic sunny-yellow pores).

Edibility: Choice. Cooks up with a lemony flavor.

CHEMICAL TESTS:

  • NH4OH (Ammonia): No data.
  • KOH: No data.
  • FeSO4 (Iron Salts): No data.

Links:

National Audubon Society Field guide to Mushrooms, Gary Lincoff 569 Mushrooms of West Virginia and the Central Appalachians 0 North American Boletes 130

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