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Island County > Public Health > Natural Resources > Noxious Weed Control Board > Fact Sheets

Noxious Weed Fact Sheets

Butterfly Bush

English Ivy

Hairy Willowherb

Knotweed

Poison Hemlock

Purple Loosestrife

Spurge Laurel

Sulfur Cinquefoil

Tansy Ragwort

Yellow Archangel