CRCritically Endangered

Biatora troendelagica

Local name: trønderknopplav

Conservation status data sourced from the IUCN Red List of Threatened Species.

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Ascomycota

Class

Lecanoromycetes

Order

Lecanorales

Family

Ramalinaceae

Genus

Biatora

Biatora troendelagica belongs to the family Ramalinaceae, order Lecanorales, within the Lecanoromycetes class.

02Description

Species Profile

Species profile data sourced from the IUCN Red List of Threatened Species.

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.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupFungi
03Habitat

Habitat & Distribution

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.

04Threats

Threats

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IUCN Red List: Critically Endangered

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.

Air pollution and acid deposition

HighOngoing

Climate change affecting moisture regimes

HighOngoing

Habitat loss and degradation

HighOngoing

Human disturbance in forest ecosystems

MediumOngoing

Loss of suitable substrate trees

MediumOngoing
Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Biatora troendelagica (Biatora troendelagica). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/trnderknopplav

Full citation guide & data usage terms