CRCritically Endangered

Stachelloses Drehzahnmoos

Tortula inermis

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

01Classification

Taxonomy & Classification

Kingdom

Plantae

Phylum

Bryophyta

Class

Bryopsida

Order

Pottiales

Family

Pottiaceae

Genus

Tortula

Stachelloses Drehzahnmoos belongs to the family Pottiaceae, order Pottiales, within the Bryopsida class.

02Description

Species Profile

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

Tortula inermis faces severe threats from habitat degradation and loss of suitable substrate conditions in its specialized environments. Urban development, agricultural expansion, and changes in land management practices have significantly reduced available habitat, while air pollution and climate change alter the delicate conditions required for this moss species to survive.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupPlants
03Habitat

Habitat & Distribution

This moss species typically grows on calcareous soils, limestone rocks, walls, and disturbed ground in open, dry habitats including grasslands, quarries, and urban environments. It prefers well-drained, alkaline substrates in areas with moderate to low moisture levels.

04Threats

Threats

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IUCN Red List: Critically Endangered

Tortula inermis faces severe threats from habitat degradation and loss of suitable substrate conditions in its specialized environments. Urban development, agricultural expansion, and changes in land management practices have significantly reduced available habitat, while air pollution and climate change alter the delicate conditions required for this moss species to survive.

Agricultural intensification

HighOngoing

Habitat loss and fragmentation

HighOngoing

Urban development and construction

HighOngoing

Air pollution and atmospheric changes

MediumOngoing

Climate change and altered precipitation patterns

MediumOngoing
07National Status

National vs Global Threat Status

How this species is assessed at the national level compared to its IUCN global status (CR).

CountryNational StatusGlobal StatusComparison
EULCLeast ConcernCRCritically EndangeredLower local risk
EULCLeast ConcernCRCritically EndangeredLower local risk

National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.

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

National Red Lists: ZSL (2025). National Red List. Zoological Society of London. Available at: https://www.nationalredlist.org

This page: SpeciesRadar (2025). Stachelloses Drehzahnmoos (Tortula inermis). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/stachelloses-drehzahnmoos

Full citation guide & data usage terms