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Bent (Agrostis)

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Bent Genus Details

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Creeping bent grass is erect and grows from creeping perennial rhizomes with open reddish panicles. This grass is generally used for a pasture grass but some species are used for lawns and golfcourses. Agrostis sheds large amounts of pollen in June-August. In lawns and golfcoursesit is generally mowed and kept at a height of 1/2 inch. In pastures this grass can grow to a height of 2 to 4 feet tall.

Bent Allergy Info

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Bent grass is a high pollen producer. This is one of the more significant grass types in terms of allergy.

Bent Pollen Description

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Grains are spheroidal to ovoidal, sometimes elliptical. The exine is thin and the surface is granular to finely reticuloid. Poaceae apertures are 1-porate, with the pores usually circular to ovoidal.
Grains are 22-122 micrometers in diameter.
This plant belongs to the grass family.  All pollen grains in this family are similar to the Poaceae (grass) grain pictured here. Herb. MIN
This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grain pictured here. Herb. MIN
This plant belongs to the grass family.  All pollen grains in this family are similar to the Poaceae (grass) grains pictured here. Herb. MIN
This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grains pictured here. 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
Bent (Agrostis) is a genus of the POACEAE family.
This genus includes the following allergenic species:

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Bent 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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