VU

Leafy Rush

Juncus foliosus

Unknown

Overview

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

Leafy Rush faces significant pressure from wetland habitat destruction and degradation across its limited range in eastern North America. Agricultural conversion and urban development have eliminated many of the seasonal pools and wet meadows essential for this species' survival. Water level alterations from dam construction and groundwater extraction further threaten remaining populations by disrupting the specific hydrological conditions this rush requires for successful reproduction.

Threat summary

Habitat

Leafy Rush inhabits seasonal pools, wet meadows, and shallow freshwater marshes in eastern North America. This species requires specific hydrological conditions with periodic flooding followed by drawdown periods that expose muddy substrates essential for germination and establishment.

TERRESTRIAL· majorTERRESTRIAL· major

Other threatened species in Juncaceae

Heath RushVU

Heath Rush

Juncus squarrosus

Unknown
Great Wood-rushVU

Great Wood-rush

Luzula sylvatica

Unknown
Arctic RushCR

Arctic Rush

Juncus arcticus

Unknown
arctic woodrushEN

arctic woodrush

Luzula nivalis

Unknown

Frequently asked questions

Why is Leafy Rush classified as Vulnerable?
Leafy Rush 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. Leafy Rush faces significant pressure from wetland habitat destruction and degradation across its limited range in eastern North America. Agricultural conversion and urban development have eliminated many of the seasonal pools and wet meadows essential for this species' survival. Water level alterations from dam construction and groundwater extraction further threaten remaining populations by disrupting the specific hydrological conditions this rush requires for successful reproduction.
Where does Leafy Rush live?
Leafy Rush 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 Leafy Rush?
The main threats to Leafy Rush 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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