CRCritically Endangered

Calogaya schistidii

Local name: öländsk svavellav

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

23

Countries

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Ascomycota

Class

Lecanoromycetes

Order

Teloschistales

Family

Teloschistaceae

Genus

Calogaya

Calogaya schistidii belongs to the family Teloschistaceae, order Teloschistales, within the Lecanoromycetes class.

02Description

Species Profile

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

Öländsk svavellav faces severe threats from habitat degradation and loss of suitable limestone substrates on Öland island. The species' extremely restricted range and specialized ecological requirements make it highly vulnerable to environmental changes and human disturbances in its coastal limestone habitats.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupFungi
03Habitat

Habitat & Distribution

This lichen species occurs exclusively on limestone rocks and calcareous substrates in coastal areas of Öland, Sweden. It typically grows on exposed limestone surfaces in the distinctive alvar landscape, which consists of thin-soiled limestone plains with sparse vegetation.

TERRESTRIALMajor
04Threats

Threats

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IUCN Red List: Critically Endangered

Öländsk svavellav faces severe threats from habitat degradation and loss of suitable limestone substrates on Öland island. The species' extremely restricted range and specialized ecological requirements make it highly vulnerable to environmental changes and human disturbances in its coastal limestone habitats.

Extremely limited geographic range

HighOngoing

Habitat loss and degradation

HighOngoing

Limestone quarrying and extraction

HighOngoing

Climate change affecting substrate conditions

MediumOngoing

Tourism and recreational pressure

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). Calogaya schistidii (Calogaya schistidii). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/olandsk-svavellav

Full citation guide & data usage terms