Two-stamen Sedge
CR

Two-stamen Sedge

Carex diandra

Unknown

Photo: Photo: Wikimedia Commons, CC BY-SA

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

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.

Threat summary

Habitat

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.

TERRESTRIAL· major

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Frequently asked questions

Why is Two-stamen Sedge classified as Critically Endangered?
Two-stamen Sedge is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. 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.
Where does Two-stamen Sedge live?
Two-stamen Sedge occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Two-stamen Sedge?
The main threats to Two-stamen Sedge are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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