Lyme Grass (Leymus)
 
    Lyme Grass Genus Details
 
    Lyme grass is native to sands, dunes, and other saline or alkaline habitats.  It is found mostly in northern temperate zones. Lyme grass is popular with gardeners for the blue foliage. The s tems are erect or slightly lax and grow to 6-8' tall. Lyme grass is clump forming, prefers full sun and cool night temperatures.
    Lyme Grass Allergy Info
 
    Although the grass family in general is considered significant allergenically, this genus is not typically considered to be problematic.
    Lyme 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
        Lyme Grass (Leymus) is a genus of the POACEAE family.
This genus includes the following allergenic species:
    
    
    This genus includes the following allergenic species:
 
                    
                






 
  
                        

