Xerocomellus zelleri (“Zeller’s Bolete”)

Description

Name in North American Boletes: Boletus zelleri

Genus: Xerocomellus

• Genus 2: Boletus
• Genus 3: Xerocomus
• Genus 4: Boletellus

Species: zelleri

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.”

Edibility: Good.

CHEMICAL TESTS:

• NH4OH (Ammonia): Cap flesh turns greenish.
• KOH: No data.
• FeSO4 (Iron Salts): No data.

Links:

• Mushroom Expert
• Mushroom Observer
• Wikipedia
• Google Image Search

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