Purple-stalked Pocket-moss
Fissidens osmundoides
Conservation status data sourced from the IUCN Red List of Threatened Species.
Taxonomy & Classification
Kingdom
Plantae
Phylum
Bryophyta
Class
Bryopsida
Order
Dicranales
Family
Fissidentaceae
Genus
Fissidens
Purple-stalked Pocket-moss belongs to the family Fissidentaceae, order Dicranales, within the Bryopsida class.
Species Profile
Species profile data sourced from the IUCN Red List of Threatened Species.
Purple-stalked Pocket-moss faces severe threats from habitat destruction and degradation of its specialized wetland environments. The species' extremely limited distribution and specific ecological requirements make it highly vulnerable to environmental changes and human disturbances. Climate change and altered hydrology patterns further threaten the delicate moisture conditions essential for this moss's survival.
Key Facts
Habitat & Distribution
This moss species typically inhabits moist, shaded environments including streambanks, wet rock faces, and areas around springs and seeps. It requires consistently humid conditions and is often found on calcareous substrates in specialized microhabitats within riparian zones.
Threats
IUCN Red List: Critically Endangered
Purple-stalked Pocket-moss faces severe threats from habitat destruction and degradation of its specialized wetland environments. The species' extremely limited distribution and specific ecological requirements make it highly vulnerable to environmental changes and human disturbances. Climate change and altered hydrology patterns further threaten the delicate moisture conditions essential for this moss's survival.
Climate change and altered precipitation patterns
Habitat destruction and fragmentation
Hydrological alterations and water management
Invasive species competition
Pollution and water quality 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). Purple-stalked Pocket-moss (Fissidens osmundoides). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/purple-stalked-pocket-moss