Thin-Walled Maze Polypore

daedaleopsis confragosa

The Thin-Walled Maze Polypore (Daedaleopsis confragosa), also known as the blushing bracket, is an intriguing wood-decaying fungus that makes its home on dead or dying hardwood trees. Highly valued for its ecological role as a decomposer, this mushroom helps recycle vital nutrients back into the forest soil by breaking down tough wood fibers. What makes this polypore particularly captivating to nature enthusiasts is its incredibly variable under-surface, which can display pores resembling concentric circles, radiating slots, or intricate maze-like paths. It is also famous for its distinct bruising reaction, where its fresh cream-colored pores blush a deep reddish-brown when touched, offering an interactive experience for curious trail explorers. Want to find and snap Thin-Walled Maze Polypore yourself? Get the Snappit app.

Habitat: Typically found growing on decaying hardwood stumps, fallen logs, and dead branches in damp deciduous woodlands, particularly favoring willow, birch, and alder trees.

Appearance

This bracket-like fungus typically develops a fan-shaped or semi-circular cap that measures between 5 to 15 centimeters in diameter. The upper surface is dry, slightly bumpy, and marked with distinctive concentric zones of color ranging from grayish-white to ochre, reddish-brown, and dark brown. Beneath the cap, the spore-bearing surface exhibits a unique pale cream to tan color featuring maze-like, elongated pores that turn reddish-brown when scratched or bruised.

KingdomFungiPhylumBasidiomycotaClassAgaricomycetesOrderPolyporalesFamilyPolyporaceaeGenusDaedaleopsis

Thin-Walled Maze Polypore

Interesting facts

Because the tough, woody brackets do not easily rot, dried specimens can persist on trees for several years even after they have stopped producing spores.

The genus name 'Daedaleopsis' is a direct nod to Daedalus, the brilliant architect of Greek mythology who designed the Labyrinth of Crete, referring to the maze-like pores of the fungus.

While it is completely non-toxic, its tough, woody, and cork-like texture makes it entirely inedible for humans.

Special abilities

Produces specialized extracellular enzymes that systematically degrade both cellulose and highly resistant lignin in wood, causing white rot.

Undergoes a rapid chemical oxidation when injured, turning bruised pore areas reddish-brown to potentially deter small fungivores.

Alters its pore structures dynamically from round pores to slot-like gills depending on gravity, airflow, and localized moisture levels.

Measurements & details

Length: 5-15 cm
Lifespan: 1-2 years

Diet & Feeding

As a saprotrophic fungus, it obtains all of its nutrition by decaying the dead wood of deciduous broadleaf trees.

Primary Foods

Dead willow wood
Dead birch wood
Dead alder wood
Decaying beech trunks

Ecological connections

host plant

Silver Birch

Betula pendula

Acts as a primary saprotrophic decomposer of fallen logs and branches of the Silver Birch.

eaten by

Minute Tree-fungus Beetle

Cis boleti

The bracket body serves as both shelter and food source for the larvae of minute tree-fungus beetles.

Traits

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Also known as

No aliases listed yet.

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Thin-Walled Maze Polypore?

The easiest way to identify Thin-Walled Maze Polypore is to use the Snappit nature identifier app.

How long is Thin-Walled Maze Polypore?

5-15 cm

How long does Thin-Walled Maze Polypore live?

1-2 years

What does Thin-Walled Maze Polypore eat?

As a saprotrophic fungus, it obtains all of its nutrition by decaying the dead wood of deciduous broadleaf trees.

Where is Thin-Walled Maze Polypore usually found?

Typically found growing on decaying hardwood stumps, fallen logs, and dead branches in damp deciduous woodlands, particularly favoring willow, birch, and alder trees.