
Ambiguous Trematodon Moss
Trematodon ambiguus
Ambiguous Trematodon Moss is a small acrocarpous moss species characterized by its distinctive curved capsules and narrow, pointed leaves that form compact cushions or tufts. This bryophyte plays a crucial ecological role in soil stabilization and moisture retention in its specialized habitats, while providing microhabitat for invertebrates and contributing to nutrient cycling in fragile ecosystems.
Photo: iNaturalist: (c) petit_bonnier, some rights reserved (CC BY-NC)
Taxonomy & Classification
Kingdom
Plantae
Phylum
Bryophyta
Class
Bryopsida
Order
Dicranales
Family
Bruchiaceae
Genus
Trematodon
Ambiguous Trematodon Moss belongs to the family Bruchiaceae, order Dicranales, within the Bryopsida class.
Species Profile
Ambiguous Trematodon Moss is a small acrocarpous moss species characterized by its distinctive curved capsules and narrow, pointed leaves that form compact cushions or tufts. This bryophyte plays a crucial ecological role in soil stabilization and moisture retention in its specialized habitats, while providing microhabitat for invertebrates and contributing to nutrient cycling in fragile ecosystems.
Ambiguous Trematodon Moss faces significant threats from habitat degradation and loss due to human activities and environmental changes. Its specialized habitat requirements and limited distribution make it particularly vulnerable to disturbances that alter soil chemistry and moisture conditions. Climate change and increased frequency of extreme weather events further threaten the delicate ecological balance this species requires.
Key Facts
Habitat & Distribution
This moss species typically grows on disturbed soil, clay banks, and exposed earth in open areas such as roadsides, field margins, and forest clearings. It prefers acidic to neutral soils with adequate moisture retention and can be found on both natural and anthropogenic substrates.
Threats
Habitat loss and fragmentation
Soil disturbance and erosion
Agricultural expansion and land conversion
Climate change and altered precipitation patterns
Pollution and chemical contamination
National vs Global Threat Status
How this species is assessed at the national level compared to its IUCN global status (VU).
| Country | National Status | Global Status | Comparison |
|---|---|---|---|
| EU | LCLeast Concern | VUVulnerable | Lower local risk |
| EU | LCLeast Concern | VUVulnerable | 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). Ambiguous Trematodon Moss (Trematodon ambiguus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/ambiguous-trematodon-moss