Source-reviewed species profile

Bitter bolete Tylopilus felleus

Mature pores turn pink and the pale stem has coarse dark reticulation. This profile covers broad field features, season and habitat.

Learning content – not identification

Images, text and app suggestions cannot confirm a species or food safety.

Field features

  • Mature pores turn pink and the pale stem has coarse dark reticulation.

Habitat and search guidance

Often coniferous and mixed woodland on acidic soil.

Season

Summer and autumn.

Safety status

Not presented as a food mushroom. This profile supports learning and safer boundaries; it does not approve a finding.

Sources and review status

Last reviewed: 9 August 2026.

Take the profile outdoors.

Follow the species, view local seasonal signals and use field guidance in the app.