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Hayden's sedge
Scientific Name: Carex haydenii
Family: Cyperaceae
Category: Monocot
Growth: Graminoid
Duration: Perennial
Other Names: MI (Hayden's sedge), NJ (cloud sedge), NY (cloud s
Carex haydenii: Hayden's Sedge
Carex haydenii, commonly known as Hayden's Sedge, is a perennial sedge found in North America. It is also sometimes referred to as cloud sedge, though that name can also refer to Carex haydeniana.
Taxonomy and Nomenclature
- Scientific Name: Carex haydenii Dewey
- Family: Cyperaceae (Sedge Family)
- Genus: Carex L.
- Synonyms: Carex rousseaui, Carex stricta var. decora
Distribution and Habitat
- Native to North America [L48 (N)]
- Found in open habitats with seasonally saturated soils.
- Specifically mentioned in the Western Great Lakes region.
- Also found in western North America, from British Columbia to California.
Ecological Role
- Appears to be declining due to land use changes.
Morphological Characteristics
- Herbaceous perennial.
- Forms loose tufts of leafy culms.
- Typically 1-2 feet tall, rarely up to 3 feet.
- Both fertile and sterile culms are present.
- Leaves are 3-5 mm wide.
- Has reddish-brown bases.
- Spikelets are erect and cylindrical.
- Perigynia are inflated.
Growing Information
- USDA Zone hardiness: 3a - 8b
- Exposure: Partial sun
- Type: Perennial, Grasses, Sedge Meadow
Interactions with Other Organisms
- Several species of sedges (genus Carex) are usually present in savannas.
Resources and Further Information
- USDA-NRCS PLANTS Database
- Flora of North America
- Vermont Flora Codes: CARHAY