Name in North American Boletes: Boletus illudens
- Genus 2: Boletus
Tells: Broad, coarse reticulation goes only partway down the yellow stem. Likes oak. Lemon yellow pores DNS. Stem usually tapers to a hard, woody nugget.
Other Information: Xerocomus tenax has reticulation that goes all the way down the stem, and always has the nuggety, wood-hard root.
Science Notes: DNA testing moved this mushroom into the newly erected genus “Xerocomus.”
- NH4OH (Ammonia): Cap surface turns brilliant blue-green and then slowly darkens to a somber shade.
- KOH: Cap surface turns dark brown.
- FeSO4 (Iron Salts): Both the cap surface and flesh slowly turn blue-gray.
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