Name in North American Boletes: Boletus zelleri
- Genus 2: Boletus
- Genus 3: Xerocomus
- Genus 4: Boletellus
Common Name: “Zeller’s Bolete”
Tells: Gray- to brown-black cap often has a red-tinted edge. Yellow stem covered w/red or red-brown spots. Dark yellow pores stain blue.
Other Information: Young cap wrinkled & covered w/ a white bloom. May grow on the ground or on decaying wood. Similar to the Red Crack Bolete (B. chrysenteron), but that has a lighter cap that cracks much more, and a brown stem instead of yellow.
Science Notes: DNA testing moved this mushroom into the newly erected genus “Xerocomellus.”
- NH4OH (Ammonia): Cap flesh turns greenish.
- KOH: No data.
- FeSO4 (Iron Salts): No data.