Water-Milfoil (Myriophyllum)
 
    Water-Milfoil Genus Details
 
    Water milfoil is a perennial native to North America. It is an aquatic plant with leaves in bunches of fours spiralling around a purplish red stem. Male flowers are purplish and appear at the end of the flowering stem. The lower whitish flowers are female. Reproduction is from seeds, fragmentation and winterbuds. If the levels of water milfoil get high enough, they may impede water flow in irrigation ditches, drainage canals and water ways.
    Water-Milfoil Allergy Info
 
    Pollen is wind dispersed from spring to fall depending on locality. Allergencity is not extensively studied.
    Water-Milfoil Pollen Description
 
    No pollen description is currently available.
    
    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
        Water-Milfoil (Myriophyllum) is a genus of the HALORAGACEAE family.
This genus includes the following allergenic species:
    
    
    This genus includes the following allergenic species:
 
                    
                






 
  
                        

