EN

Dendrothele commixta

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Dendrothele commixta is a corticioid fungus restricted to old-growth deciduous woodland, where it grows as a resupinate crust on the bark of mature and veteran broadleaf trees, particularly beech and oak. Its principal threat is the ongoing loss and fragmentation of ancient woodland stands through logging and conversion to managed forestry, which eliminates the veteran trees the species depends on for substrate continuity. Because it relies on a narrow range of old-growth microhabitats that take decades to redevelop, populations are unable to recolonize quickly once suitable trees are removed, leaving remaining subpopulations small and increasingly isolated.

Threat summary

Habitat

The species occurs on the bark of living and recently dead mature broadleaf trees, especially beech and oak, within long-established temperate deciduous woodlands that retain substantial old-growth structure.

TERRESTRIAL· major

Threatened in Australia

EN

Montipora calcarea

Declining
VU

Copper Shark

Carcharhinus brachyurus

Declining
VU

Broad-headed Snake

Hoplocephalus bungaroides

Unknown
VU

White-winged Petrel

Pterodroma leucoptera

Declining

Frequently asked questions

Why is Dendrothele commixta classified as Endangered?
Dendrothele commixta is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Dendrothele commixta is a corticioid fungus restricted to old-growth deciduous woodland, where it grows as a resupinate crust on the bark of mature and veteran broadleaf trees, particularly beech and oak. Its principal threat is the ongoing loss and fragmentation of ancient woodland stands through logging and conversion to managed forestry, which eliminates the veteran trees the species depends on for substrate continuity. Because it relies on a narrow range of old-growth microhabitats that take decades to redevelop, populations are unable to recolonize quickly once suitable trees are removed, leaving remaining subpopulations small and increasingly isolated.
Where does Dendrothele commixta live?
Dendrothele commixta occurs in Australia, Austria, Belgium, Cameroon, Canada, and Denmark (plus 18 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Dendrothele commixta?
The main threats to Dendrothele commixta are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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