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.
Other Information: B. tenax has reticulation that goes all the way down the stem, usually ending in a tapered and woody bottom.
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.