Six-Weeks Grass (Vulpia)
Six-Weeks Grass Genus Details
Six weeks grass, also called six weeks fescue (Festuca octoflora) is single-stemmed or tufted annual grass 2 to 16 inches tall. This grass appears to also be included in the Festuca genus. It is found in prairies, pastures and waste areas throughout the U.S. Spikelet flowers occur in narrow or open panicles from April to June depending on the latitude.
Six-Weeks Grass Allergy Info
No specific report has been found for the allergenicity of this grass. The genus Festuca has species with moderate to severe pollen allergenicity.
Six-Weeks 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
Six-Weeks Grass (Vulpia) is a genus of the POACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
