Name in North American Boletes: Boletus coniferarum
- Genus 2: Boletus
- Species 2: coniferarum
Tells: Both pale, bitter cap flesh & yellow pores (age dingier) instantly blue. Pale yellow stem darkens to deep brown by the base, & has fine netting at least on top.
Other Information: Dark gray cap ages to grayish brown or brown, sometimes w/reddish or dark streaks, & often cracks or fissures w/age. Can be huge (12″ across), which adds a whole new layer of bitterness on top of the taste. Likes conifers. Pacific Northwest.
Science Notes: DNA testing moved this mushroom from Boletus to a newly erected genus called “Caloboletus”. The species name was revised at the same time for unknown but probably sound reasons.
Edibility: Too bitter to eat.
- NH4OH (Ammonia): No data.
- KOH: No data.
- FeSO4 (Iron Salts): No data.