CR

Corticifraga peltigerae

Unknown

Overview

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

Corticifraga peltigerae faces severe threats from air pollution and acid rain, which degrade the lichen hosts essential for its survival. Climate change compounds these pressures by altering precipitation patterns and temperature regimes that affect both the fungus and its lichen substrates. The species' highly specialized parasitic lifestyle makes it extremely vulnerable to any disruption of its host lichen populations, particularly Peltigera species that are themselves sensitive to environmental changes.

Threat summary

Habitat

This specialized parasitic fungus inhabits humid, old-growth forests where it grows exclusively on Peltigera lichen species. It requires stable microclimatic conditions with high humidity and low light levels, typically found in undisturbed forest ecosystems with well-developed lichen communities.

TERRESTRIAL· major

Frequently asked questions

Why is Corticifraga peltigerae classified as Critically Endangered?
Corticifraga peltigerae is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Corticifraga peltigerae faces severe threats from air pollution and acid rain, which degrade the lichen hosts essential for its survival. Climate change compounds these pressures by altering precipitation patterns and temperature regimes that affect both the fungus and its lichen substrates. The species' highly specialized parasitic lifestyle makes it extremely vulnerable to any disruption of its host lichen populations, particularly Peltigera species that are themselves sensitive to environmental changes.
Where does Corticifraga peltigerae live?
Corticifraga peltigerae occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Corticifraga peltigerae?
The main threats to Corticifraga peltigerae 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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