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Leccinum cyaneobasileucum

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Leccinum cyaneobasileucum

1 October 2020 Hampshire. Photograph copyright Leif Goodwin

Cap

Convex, expanding with age, finely downy, dry, brown to whitish, margin sometimes overhanging, to 8 cm across

Pores

Whitish to greyish, bruising brown

Stem

Cylindrical, tapering towards the apex, covered with woolly scales that are initially white, then greyish with age, often with blue green stains at the base

Flesh

Whitish, discolouring pink

Smell

Indistinct

Taste

Indistinct

Season

Autumn

Distribution

Very common

Habitat

With birch

Spore Print

White

Microscopic Features

Spores spindle-shaped (14-19.5) x (4-6.5) µm2. Cap cuticle hyphae filamentous, some dark brown some being encrusted.

Edibility

Edible, poor

Notes

This species was first described as recently as 1991. The brown capped Leccinum species which grow in association with birch are a difficult group, which underwent significant revisions as a result of DNA studies. See also Leccinum scabrum, Leccinum holopus and Leccinum schistophilum.

Additional Photographs

Leccinum cyaneobasileucum

Note the blue green stains at the base. 1 October 2020 Hampshire. Photograph copyright Leif Goodwin

Leccinum cyaneobasileucum

Spores in Congo Red solution viewed with a x100 immersion objective. 1 October 2020 Hampshire. Photograph copyright Leif Goodwin

Leccinum cyaneobasileucum

Cap hyphae in Congo Red solution viewed with a x40 objective. 1 October 2020 Hampshire. Photograph copyright Leif Goodwin

Leccinum cyaneobasileucum

12 October 2010 Surrey. Photograph copyright Leif Goodwin