Wheat Sedge
VU

Wheat Sedge

Carex atherodes

UnknownDDEUDDEU

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Carex_atherodes

Overview

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

Wheat Sedge faces significant pressure from wetland drainage and agricultural conversion throughout its range in the northern Great Plains and prairie pothole regions. Urban development and infrastructure projects have fragmented remaining populations, while altered hydrology from dam construction and water diversions disrupts the natural flooding cycles essential for reproduction. Climate change compounds these threats by intensifying drought periods and shifting precipitation patterns that affect the seasonal water levels this species requires.

Threat summary

Habitat

Wheat Sedge inhabits shallow wetlands, prairie potholes, and marshy areas across the northern Great Plains, typically growing in seasonally flooded zones with fluctuating water levels. The species thrives in alkaline to slightly saline conditions and requires specific hydrological cycles with periodic drawdowns for successful seed germination and establishment.

TERRESTRIAL· major

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Frequently asked questions

Why is Wheat Sedge classified as Vulnerable?
Wheat Sedge is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Wheat Sedge faces significant pressure from wetland drainage and agricultural conversion throughout its range in the northern Great Plains and prairie pothole regions. Urban development and infrastructure projects have fragmented remaining populations, while altered hydrology from dam construction and water diversions disrupts the natural flooding cycles essential for reproduction. Climate change compounds these threats by intensifying drought periods and shifting precipitation patterns that affect the seasonal water levels this species requires.
Where does Wheat Sedge live?
Wheat Sedge occurs in Armenia, Austria, Azerbaijan, Belarus, Canada, and China (plus 19 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Wheat Sedge?
The main threats to Wheat 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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