Mushroom Atlas

Bitter Beech Bolete

Boletus calopus

Bitter Beech Bolete

Deciduous and coniferous forests, favours the vicinity of oaks and hornbeams. Summer, autumn.

Fruiting bodies rather stout, fleshy. Cap 10–15 cm across, grey, dirty brownish-grey, matt. Pores bright yellow, turning slightly blue when pressed. Stem up to 3 cm thick, yellow in the upper part, beautifully red lower down, with a net. Flesh yellowish, turning bluish when cut, with an unpleasant bitter taste. Characteristic features: stem with a yellow net in the upper part and a red net in the lower part. Grows singly. Inedible because of its bitter taste, but not poisonous. Found very rarely, protected. Beautiful, attractive.