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A tree by the Mount Vernon Parkway is covered in English ivy.

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Help Control Invasive Plants

At a May 16 free workshop, the U.S. National Park Service will train volunteers in how to control invasive plants and protect the George Washington Memorial Parkway’s landscapes, biodiversity, native plants and local property values.

Help Control Invasive Plants

At a May 16 free workshop, the U.S. National Park Service will train volunteers in how to control invasive plants.

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