Red Cracking Bolete

Xerocomellus chrysenteron (Bull.) Šutara

1 Observations

1 month ago Last Observed

Xerocomellus chrysenteron — Malcolm Storey

Xerocomellus chrysenteron, formerly known as Boletus chrysenteron or Xerocomus chrysenteron and commonly known as the red cracking bolete, is a species of fungus in the family Boletaceae. The small mushroom has tubes and pores instead of gills beneath their caps.

Source: Wikipedia

Spore Print

Season

Native

Distribution

Widespread and common

Habitat

Occurs mainly with Fagus but also in conifer forests. It doesn't appear to occur with Quercus

Associates

Fagus

Conservation

LC - Least Concern

IUCN Red Data List - Xerocomellus chrysenteron
Assessment date: 2026

Cap

Often cracking with pinkish-red tinted cracks

Colour
Shape	Convex, Flattened
Surface	Smooth, Tomentose
Width	3 - 8 cm

Pores

Bruising slowly blue-green

Colour
Bruising

Tubes

Colour

Flesh

Flushing deep red below the cortex of the stem with hardly any blueing

Colour
Odour	Not distinct
Taste	Mild

Stem

Lemon yellow at apex, streaked scarlet on the remainder

Colour
Shape	Cylindric

Spores

Colour
Shape	Subfusiform
Ornamentation	Smooth
Size	11.8-16.6 x 4.8-6.8 μm

Confirmed

Unconfirmed

Classification

↳ Phylum: Basidiomycota
↳ Subphylum: Agaricomycotina
↳ Class: Agaricomycetes
↳ Subclass: Agaricomycetidae
↳ Order: Boletales
↳ Family: Boletaceae
↳ Genus: Xerocomellus

Source: UKSI via NBN Atlas

Synonyms

Boletus chrysenteron Bull.
Boletus chrysenteron St. -Amans
Boletus chrysenteron f. aereomaculatus (H. Engel & J. Schreiner) anon. ined.
Boletus chrysenteron var. aureomaculatus ined.
Boletus communis Bull.
Boletus pascuus sensu auct. brit.
Xerocomus chrysenteron
Xerocomus chrysenteron (Bull.) Quél.
Xerocomus chrysenteron f. aereomaculatus H. Engel & J. Schreiner
Xerocomus chrysenteron var. reliculatipes A.E. Hills, ined.
Xerocomus communis (Bull.) Bon