Butyriboletus pseudoregius

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Butyriboletus pseudoregius

1 October 2025 Near Brockenhurst, New Forest, Hampshire. Photograph copyright Leif Goodwin.

Synonymns

Boletus pseudoregius, Butyriboletus fuscoroseus

Cap

Convex, surface velvety, pink to reddish brown, to about 20 cm across

Pores

Yellow, bruising blue

Stem

Club shaped, yellow, pinkish towards the base, covered with a yellow network, all areas bruising blue

Flesh

Firm, pale in the cap, slowly blueing, lemon yellow in the stem except in the base where it is pinkish

Smell

Indistinct

Taste

Mild

Season

Late summer to early autumn

Distribution

Very rarely recorded

Habitat

With oak

Edibility

Unknown

Notes

The two collections were made at the same location. A sample from the second collection was DNA sequenced by Eric Janke in association with the BMS confirming the identification.

Butyriboletus pseudoregius

1 October 2025 Near Brockenhurst, New Forest, Hampshire. Photograph copyright Leif Goodwin.

Butyriboletus pseudoregius

27 September 2014 Near Brockenhurst, New Forest, Hampshire. Photograph copyright Leif Goodwin.

Butyriboletus pseudoregius

27 September 2014 Near Brockenhurst, New Forest, Hampshire. Photograph copyright Leif Goodwin.