CR

Biatora troendelagica

Local name: trønderknopplav

Unknown

Overview

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

Biatora troendelagica faces severe threats from habitat degradation and loss of suitable substrate conditions in its specialized environments. Air pollution and climate change are altering the delicate chemical and moisture conditions required for this lichen's survival, while human activities continue to reduce available habitat.

Threat summary

Habitat

This lichen species occurs on bark of deciduous trees, particularly in humid coastal and montane forests of central Norway. It requires specific microclimate conditions with high humidity and clean air quality in old-growth forest environments.

Other threatened species in Ramalinaceae

CR

Ramalina protensa

Unknown
VU

Kornet grenlav

Ramalina polymorpha

Unknown
VU

Bacidia friesiana

Unknown
VU

kristallundlav

Bacidia absistens

Unknown

Frequently asked questions

Why is trønderknopplav classified as Critically Endangered?
trønderknopplav 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. Biatora troendelagica faces severe threats from habitat degradation and loss of suitable substrate conditions in its specialized environments. Air pollution and climate change are altering the delicate chemical and moisture conditions required for this lichen's survival, while human activities continue to reduce available habitat.
Where does trønderknopplav live?
trønderknopplav 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 trønderknopplav?
The main threats to trønderknopplav 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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