Name in North American Boletes: Boletus flaviporus
- Genus 2: Boletus
- Genus 3: Xercomus
Tells: Viscid, cinnamon-brown cap. White to pink-buff cap flesh DNS & tastes acidic. Viscid stem is yellow on top, red-on-white below.
Other Information: Bright yellow pores age to green-yellow, DNS, & can form a pseudoreticulation at the stem top.
Science Notes: DNA testing moved this mushroom into the newly erected genus “Aureoboletus” (“Aureo” from the characteristic sunny-yellow pores).
- NH4OH (Ammonia): Cap surface slowly turns orange. Cap flesh may slowly turn pale lavender, but not always.
- KOH: Cap surface slowly turns orange.
- FeSO4 (Iron Salts): Cap surface slowly turns pale greenish yellow. Cap flesh slowly turns pale grayish olive.