CRCritically Endangered

Two-stamen Sedge

Carex diandra

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

01Classification

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.

02Description

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

IUCN StatusCritically Endangered (CR)
GroupPlants
03Habitat

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.

TERRESTRIALMajor
04Threats

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

HighOngoing

Climate change impacts on wetland systems

HighOngoing

Hydrological alterations and water management

HighOngoing

Wetland habitat destruction and drainage

HighOngoing

Urban development and infrastructure expansion

MediumOngoing
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

This page: SpeciesRadar (2025). Two-stamen Sedge (Carex diandra). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/two-stamen-sedge

Full citation guide & data usage terms