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Pondweed (Potamogeton)

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Home « California « Monterey « Potamogeton

Pondweed Genus Details

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Pondweed is a perennial native to North America. It is an aquatic plant with alternate leaves. The flowers appear in whorls of 6 to 12. Pondweed is a concern in waterways, irrigation canals and drainage ditches because large colonies of plants may impede water flow.

Pondweed Allergy Info

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This genus is not commonly cited as a source of allergy

Pondweed Pollen Description

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No pollen description is currently available.

Species in This Genus

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Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Pondweed (Potamogeton) is a genus of the POTAMOGETONACEAE family.
This genus includes the following allergenic species:

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Pondweed Genus Location

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The shaded areas on the map indicates where the genus has been observed in the United States. Click the map to see a full scale version of these allergy areas.
  - Native, observed in a county
  - Introduced, observed in a county
  - Rarely observed

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