Koeler's Grass (Koeleria)
Koeler's Grass Genus Details
This perennial grass is also called hairgrass, or western June grass. It is an important forage or pasture grass in the western U.S. It grows in prairies, open woods and sandy soils throughout the U.S. , except in some southeastern states. Slender plants are low to moderately tall (1-2 feet tall) with narrow leaves (1- 7 inches long), and glossy spike-like panicles or flowering stalks.
Koeler's Grass Allergy Info
Flowering with significant pollen shed occurs during July to September and causes pollinosis in these states.
Koeler's Grass Pollen Description
Grains are spheroidal to ovoidal, sometimes elliptical. The exine is thin and the surface is granular to finely reticuloid. Pocaceae apertures are 1-porate, with the pores usually circular to ovoidal.
Grains are 22-122 micrometers in diameter.
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This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grain pictured here. Herb. MIN
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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
Allergenicity Legend:
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Koeler's Grass (Koeleria) is a genus of the POACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
