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Sedge (Carex)

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Sedge Genus Details

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Sedge is a grass-like perennial with a triangular stem. It grows in clumps and some species can grow to over 3 feet tall. The infloresence is arranged in spikes comprised of many different spikelets and the blades are long and narrow. It grows in dry to moist woodlands, open prairies, shorelines, swamps and marshes. Sedge is also a main food source for many types of wildlife, including birds and large mammals.
Sedge (Carex genus).
Sedge (Carex genus).
Sedge (Carex genus).
Sedge (Carex genus).

Sedge Allergy Info

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It has been implicated as a source of pollinosis in Minnesota.

Sedge Pollen Description

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Pollen grains are usually pyriform to less commonly ovoid, often oval to circular in polar view. The exine is thin and the surface is densely granular. The apertures (1-4 pores) are poorly defined and can be somewhat sunken, elongate, elliptical or ovoidal, with a loosely granular or fragmented surface.
Carex pensylvanica, single grain. Herb. MIN
Carex pensylvanica, single grain. Herb. MIN
Carex pensylvanica, multiple grains. Herb. MIN
Carex pensylvanica, multiple grains. Herb. MIN

Species in This Genus

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Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Sedge (Carex) is a genus of the CYPERACEAE family.
This genus includes the following allergenic species:

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Sedge Genus Location

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The shaded areas on the map indicates where the genus has been observed in the United States. Click the map to see a full scale version of these allergy areas.
  - Native, observed in a county
  - Introduced, observed in a county
  - Rarely observed

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