CRCritically Endangered

Riccia ciliifera

Local name: stäpprosettmossa

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

01Classification

Taxonomy & Classification

Kingdom

Plantae

Phylum

Marchantiophyta

Class

Marchantiopsida

Order

Marchantiales

Family

Ricciaceae

Genus

Riccia

Riccia ciliifera belongs to the family Ricciaceae, order Marchantiales, within the Marchantiopsida class.

02Description

Species Profile

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

Stäpprosettmossa faces severe threats from habitat loss due to agricultural intensification and urban development in its specialized steppe environments. Climate change poses additional risks through altered precipitation patterns and increased drought frequency, while overgrazing by livestock degrades the fragile soil crusts where this bryophyte establishes.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupPlants
03Habitat

Habitat & Distribution

Occupies dry calcareous soils, steppe grasslands, and open sandy areas with sparse vegetation cover. Typically found on disturbed ground, path edges, and thin soil layers over limestone or chalk substrates in continental climate regions.

04Threats

Threats

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IUCN Red List: Critically Endangered

Stäpprosettmossa faces severe threats from habitat loss due to agricultural intensification and urban development in its specialized steppe environments. Climate change poses additional risks through altered precipitation patterns and increased drought frequency, while overgrazing by livestock degrades the fragile soil crusts where this bryophyte establishes.

Agricultural conversion and intensification

HighOngoing

Climate change and altered precipitation patterns

HighOngoing

Urban development and infrastructure expansion

HighOngoing

Overgrazing by livestock

MediumOngoing

Soil erosion and habitat degradation

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). Riccia ciliifera (Riccia ciliifera). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/stapprosettmossa

Full citation guide & data usage terms