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Washington State Weeds

Floating Primrose-Willow

Floating Primrose-Willow

Ludwigia peploides

Family Name:


Class: A
Other Names: creeping water primrose
 Why is it a noxious weed? It forms dense, fast-growing, floating mats that can displace native aquatic plants and wetland grasses. Mats can also lower dissolved oxygen and pH of the water, reduce water quality for wildlife and increase sedimentation.

More Information:




Visit Washington State Noxious Weed Control Board Here