Common Ivy

Hedera helix
Family Name:	Araliaceae
Class:	C
Other Names:	English ivy
Why is it a noxious weed?	Ivy can outcompete native plants, reducing animal foraging habitat. It inhibits regeneration of understory plants and kills understory and overstory trees by shading them out. Ivy can cause storm damage trees due to its added weight in the canopy.

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Visit Washington State Noxious Weed Control Board Here