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 |
Moderate Allergen |
Severe Allergen |
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: