Valois Rim-lichen
CRCritically Endangered

Valois Rim-lichen

Lecanora valesiaca

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

Photo: (c) André Aptroot, some rights reserved (CC BY-NC-SA)

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Ascomycota

Class

Lecanoromycetes

Order

Lecanorales

Family

Lecanoraceae

Genus

Lecanora

Valois Rim-lichen belongs to the family Lecanoraceae, order Lecanorales, within the Lecanoromycetes class.

02Description

Species Profile

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

Valois Rim-lichen faces severe threats from air pollution and climate change, which alter the atmospheric conditions essential for its survival. The species' extremely restricted distribution in alpine and subalpine environments makes it particularly vulnerable to habitat degradation and environmental changes.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupFungi
03Habitat

Habitat & Distribution

Rocky substrates, cliff faces, and boulder fields in alpine and subalpine zones of mountainous regions, typically at elevations above 1500 meters. The species grows on calcareous and siliceous rocks in areas with specific microclimatic conditions.

04Threats

Threats

!

IUCN Red List: Critically Endangered

Valois Rim-lichen faces severe threats from air pollution and climate change, which alter the atmospheric conditions essential for its survival. The species' extremely restricted distribution in alpine and subalpine environments makes it particularly vulnerable to habitat degradation and environmental changes.

Air pollution and acid deposition

HighOngoing

Climate change and warming temperatures

HighOngoing

Habitat fragmentation in mountain ecosystems

HighOngoing

Changes in precipitation patterns

MediumOngoing

Tourism and recreational pressure in alpine areas

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). Valois Rim-lichen (Lecanora valesiaca). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/valois-rim-lichen

Full citation guide & data usage terms