CRCritically Endangered

fosseringlav

Rinodina stictica

Rinodina stictica is a crustose lichen species that forms thin, grayish to brownish crusts on rock surfaces, characterized by distinctive black apothecia (fruiting bodies) with prominent margins. This slow-growing lichen plays an important ecological role as a pioneer species in rock colonization and contributes to soil formation through gradual weathering processes.

4

Countries

01Classification

Taxonomy & Classification

Kingdom

Fungi

Phylum

Ascomycota

Class

Lecanoromycetes

Order

Caliciales

Family

Physciaceae

Genus

Rinodina

fosseringlav belongs to the family Physciaceae, order Caliciales, within the Lecanoromycetes class.

02Description

Species Profile

Rinodina stictica is a crustose lichen species that forms thin, grayish to brownish crusts on rock surfaces, characterized by distinctive black apothecia (fruiting bodies) with prominent margins. This slow-growing lichen plays an important ecological role as a pioneer species in rock colonization and contributes to soil formation through gradual weathering processes.

Rinodina stictica, a crustose lichen species, faces severe decline primarily due to air pollution and habitat degradation. This species is particularly sensitive to atmospheric pollutants and changes in air quality, which directly impact its ability to photosynthesize and survive. Urban development and industrial activities have significantly reduced suitable habitat and increased pollution levels in areas where this lichen historically occurred.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupFungi
03Habitat

Habitat & Distribution

This lichen grows exclusively on siliceous rocks, particularly granite and sandstone outcrops in montane and subalpine regions. It typically colonizes exposed, well-lit rock faces and boulder surfaces at elevations between 800-2000 meters, favoring areas with clean air and minimal human disturbance.

04Threats

Threats

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IUCN Red List: Critically Endangered

Rinodina stictica, a crustose lichen species, faces severe decline primarily due to air pollution and habitat degradation. This species is particularly sensitive to atmospheric pollutants and changes in air quality, which directly impact its ability to photosynthesize and survive. Urban development and industrial activities have significantly reduced suitable habitat and increased pollution levels in areas where this lichen historically occurred.

Air pollution and atmospheric contamination

HighOngoing

Habitat loss due to urbanization

HighOngoing

Industrial development and emissions

HighOngoing

Climate change affecting substrate conditions

MediumOngoing

Loss of suitable host trees and substrates

MediumOngoing
06Range

Found in 4 Countries

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). fosseringlav (Rinodina stictica). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/fosseringlav

Full citation guide & data usage terms