Ink stain bolete
Cyanoboletus pulverulentus
The inkstain bolete is a bolete with an olive-brown velvety cap whose pores and flesh turn vivid blue when touched, while older specimens gradually blacken. It grows on sandy, acidic soils with oak and birch.
Identification
- Pores bright yellow and rapidly bluing when pressed.
- Cap olive-brown and velvety; older specimens blacken.
Baltic distribution
- Latvia
- 0
- Lithuania
- 0
- Estonia
- 0
- Global
- 5540
Occurrence records in GBIF — not a claim that the species is absent elsewhere.
Safety first. This information is an educational reference, not a confirmation of an edible mushroom. Identifying fungi is difficult and mistakes can be dangerous. Never eat a mushroom unless you are completely certain of its identity, and consult a certified mycologist.



