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Boletes (pores under the cap)

Bovine bolete

Suillus bovinus · also known as: Jersey cow mushroom

EdibleApproved for sale

Edible, of moderate value – rubbery, elastic flesh. After cooking and drying it turns red-violet, which is normal.

Bovine bolete (Suillus bovinus) – fruiting bodies in their natural habitat
Photo: Jerzy Opioła / Wikimedia Commons, CC BY-SA 4.0

How to recognise it: bovine bolete

  1. 1

    Large, angular pores “like a sieve”

  2. 2

    Rubbery, elastic fruit body

  3. 3

    No ring

  4. 4

    Grows in masses under pine on sand

Description

Cap
3–12 cm across, buff, orange-brown or pale flesh-coloured, often with a paler margin; sticky, rubbery and elastic to the touch.
Tubes and pores
Tubes decurrent, yellow to grey-ochre; pores very large, angular, compound (like the mesh of a sieve).
Stem
Same colour as the cap, cylindrical, without a ring; mycelium at the base whitish to pink.
Flesh
Whitish, yellowish to brownish, very elastic; turns slightly blue, pinkish-red when dried.
Smell and taste
Smell and taste faint, slightly fruity or sourish.

Where and when it grows

Dry, poor sandy soils under pine, often among heather and at forest edges; usually in masses, in clusters.

Most often with: pine

Season in Poland (June–October)

June, July, August, September, October

Where are conditions good today?

Look-alikes: what it can be mistaken for

  • Velvet bolete Edible low risk

    The velvet bolete has finer pores, a felty (not sticky) cap and firm flesh. Edible. Not in this atlas: Gyrodon lividus (alder bolete; under alders, tubes strongly decurrent).

In the kitchen

Drying and pickling, best mixed with other mushrooms; turns copper-red when pickled.

Protection and sale

  • Species protection: the species is not protected.
  • Sale: the species is on the list of mushrooms approved for sale (it may be sold only with a mushroom inspector’s certificate).

Where you may pick mushrooms →

Bovine bolete: common questions

Is the bovine bolete edible?

Edible. Edible, of moderate value – rubbery, elastic flesh. After cooking and drying it turns red-violet, which is normal.

When does the bovine bolete grow?

In Poland the fruiting bodies usually appear in: June, July, August, September, October. Habitat: Dry, poor sandy soils under pine, often among heather and at forest edges; usually in masses, in clusters.

What can the bovine bolete be mistaken for?

Velvet bolete (edible): The velvet bolete has finer pores, a felty (not sticky) cap and firm flesh. Edible. Not in this atlas: Gyrodon lividus (alder bolete; under alders, tubes strongly decurrent).

Sources

  1. Wikipedia (pl): Maślak sitarz
  2. Atlas grzybów Polski – grzyby.pl (M. Snowarski)
  3. First Nature – fungi

Last checked: 9 November 2026. Spotted a mistake? Write to us.

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