Boletus quercicola

Description

Boletus quercicola is an edible mushroom of North Europe, of the genus Boletus in the family of Boletaceae. Like most other Boletus it has a brow cap, but the main distinguishing feature is whitish pores with less dense white flesh.

This mushroom is closely related to Boletus edulis, its cuticle is dark beige, its cream stem is not reticulated and it has a specific mycorrhiza with oak.

Boletus edulis f. quercicola is a synonym.

Common names: Cèpe des chênes / Cèpe quercicole (France), Borowik Dębowy (Poland).

Mushroom Identification

1. Cap

   10-15 cm, hemispherical then plane-convex.

2. Gills

   Dark brown in color, unicolored.

3. Flesh

   White flesh, immutable.

4. Tubes and Pores

   Whitish then pale yellowish, and adult green.

5. Stem

   Slender foot, with a network only at the top, 5-12 x 2-4 cm, whitish.

6. Spore Print

   Olive.

7. Habitat

   Mountains. Thermophilic. Related to (white) oaks.

8. Season

   End of July to mid-October.

Photo sources:

Photo 1 - Author: Holger Krisp (CC BY 3.0)

Photo 2 - Author: Strobilomyces (CC BY-SA 4.0)

Photo 3 - Author: Bernie (Public Domain)

Photo 4 - Author: Bernard Spragg. NZ from Christchurch, New Zealand (Public Domain)