Riccia ciliifera
Local name: stäpprosettmossa
Conservation status data sourced from the IUCN Red List of Threatened Species.
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.
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
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.
Threats
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
Climate change and altered precipitation patterns
Urban development and infrastructure expansion
Overgrazing by livestock
Soil erosion and habitat degradation
National vs Global Threat Status
How this species is assessed at the national level compared to its IUCN global status (CR).
| Country | National Status | Global Status | Comparison |
|---|---|---|---|
| EU | LCLeast Concern | CRCritically Endangered | Lower local risk |
| EU | LCLeast Concern | CRCritically Endangered | Lower local risk |
National Red List data sourced from the National Red List Project (nationalredlist.org, ZSL) and country-specific Red List authorities.
Community Sightings
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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