Blushing Bracket
Daedaleopsis confragosa
The Blushing Bracket is a common wood-decay fungus primarily found on dead hardwood such as willow and birch. Its fruiting body is flat, fan-shaped, and often features a concentrically zoned upper surface. A distinctive feature is the pore surface on the underside, which turns reddish when bruised or injured. As a white-rot pathogen, it plays a vital role in the nutrient cycle of forest ecosystems.
Details
Identification
Fan-shaped cap (5-15 cm wide), concentrically zoned upper surface (grey-brown to reddish), pores labyrinthine to poroid, pores bruise red when touched.
Diet
Saprotrophic; feeds by decomposing lignin and cellulose (white-rot inducer).
Spawning substrate
Dead hardwood, especially willow (Salix), birch (Betula), and alder (Alnus).
Overwintering
Overwinters as mycelium within the wood; fruiting bodies are annual but can persist through the winter.
Ecology
Ecological role
Important primary decomposer of hardwood; creates niches for saproxylic insects through wood decay.
Natural predators
Mycetophagous insect larvae (e.g., beetles), slugs.
Competitor species
Other Trametes species and wood-decay fungi such as the Tinder Fungus.
Ecosystem service
Nutrient cycling through decomposition of organic matter; promotion of biodiversity in deadwood.
Threats
Intensive forestry and the removal of deadwood from forests.
Scientific profile
Profile
Distinguishing features
The most important field characteristic is the reddish discoloration of the pore surface when bruised (hence the name). Additionally, the variability of the pore shape (daedaleoid) is characteristic of the genus Daedaleopsis.
Habitat
Damp deciduous forests, riparian forests, riverside thickets, forest edges, as well as parks and gardens with suitable deadwood. Prefers light-rich locations.
Reproduction
Sexual reproduction via basidiospores formed on four-spored basidia within the hymenium.
Protection & threats
Main threats
No known threats at present; the species is widespread and common in Central Europe.
Conservation measures
No specific species conservation measures required. General protection of riparian forests and leaving deadwood in place promotes populations.