Two-stamen Sedge
Carex diandra
Conservation status data sourced from the IUCN Red List of Threatened Species.
Taxonomy & Classification
Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Poales
Family
Cyperaceae
Genus
Carex
Two-stamen Sedge belongs to the family Cyperaceae, order Poales, within the Liliopsida class.
Species Profile
Species profile data sourced from the IUCN Red List of Threatened Species.
Two-stamen Sedge faces severe population declines due to widespread wetland habitat destruction and degradation across its range. Climate change and altered hydrology from human activities have further reduced suitable habitat, while agricultural conversion and urban development continue to eliminate remaining populations.
Key Facts
Habitat & Distribution
Two-stamen Sedge occurs in calcareous fens, wet meadows, marshes, and other alkaline wetland habitats, typically in areas with consistent moisture and mineral-rich soils. The species requires specific hydrological conditions and is often found in transitional zones between aquatic and terrestrial environments.
Threats
IUCN Red List: Critically Endangered
Two-stamen Sedge faces severe population declines due to widespread wetland habitat destruction and degradation across its range. Climate change and altered hydrology from human activities have further reduced suitable habitat, while agricultural conversion and urban development continue to eliminate remaining populations.
Agricultural conversion and intensification
Climate change impacts on wetland systems
Hydrological alterations and water management
Wetland habitat destruction and drainage
Urban development and infrastructure expansion
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
This page: SpeciesRadar (2025). Two-stamen Sedge (Carex diandra). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/two-stamen-sedge