SafePlants

Dense Sedge (Carex densa)

Carex densa, commonly known as Dense Sedge, is a clump-forming sedge found in various locations. It's recognized for its role in providing sustenance for a range of wildlife.

Considerations for Pets and Children

• This sedge forms dense clumps.
• It has short, stout stems.
• The leaves are narrow with a prominent folded vein along the middle

Taxonomy and Nomenclature

• Scientific Name: Carex densa (L.H. Bailey) L.H. Bailey
• Family: Cyperaceae (Sedge family)
• Synonyms:
  • Carex dudleyi
  • Carex breviligulata Mackenzie

Distribution and Habitat

• Native to the Northwest of the US and California.
• Found at elevations between 0 and 1500 ft.
• Grows best in sand and sandy-gritty soil, loamy soil, sandy or pebbly conditions.
• Lyngbye's sedge (likely a related species) forms dense stands in coastal salt marshes on Puget Sound, on the outer coast of Washington and Oregon, and along the lower Columbia.

Morphological Characteristics

• Dense, clump-forming evergreen sedge, typically 12-30 inches tall.
• Possesses large, compact flower clusters.
• Has short, stout stems growing from thick, black rhizomes.
• Several thin leaves with tight sheaths grow from each stem.
• Leaves are narrow with a prominent folded vein along the middle.

Ecological Role

• Important food source for waterfowl, songbirds, beavers, and deer.
• The dense swards of slough sedge provide sediment retention and nutrient uptake, thus contributing to water quality improvement.