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.
    
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
Species in This Genus
 
    
    Allergenicity Legend: 
         Mild Allergen  |
 Mild Allergen  | 
         Moderate Allergen  |
 Moderate Allergen  | 
         Severe Allergen  |
 Severe Allergen  | 
         Allergy Test Available
 Allergy Test Available
        
    
     Mild Allergen  |
 Mild Allergen  | 
         Moderate Allergen  |
 Moderate Allergen  | 
         Severe Allergen  |
 Severe Allergen  | 
         Allergy Test Available
 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:
 
                    
                






 
  
                        

