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Invasive Species Control

Here are some good resources to help manage the most common invasive plants found in McHenry County.

amur honeysuckle

If there are additional species that you think should be included, let us know


Buckthorn 
Photo credit: Paul Wray, Iowa State University, Bugwood.org

Buckthorn2

 


Garden Valerian

Garden Valerian

 

 


Garlic Mustard

Garlic Mustard

 

 


Honeysuckle

Honeysuckle

 

 

 


Japanese Barberry
James H. Miller, USDA Forest Service, Bugwood.org

Japanese barberry James Miller US Forest Service

 


Leafy Spurge
Photo credit: Steve Dewey, Utah State University, Bugwood.org

leafy spurge

 

 


Mullein

Mullein 7 17

 


Multiflora Rose
Rob Routledge, Sault College, Bugwood.org

Multiflora rose

 


Oriental Bittersweet
Photo credit: James R. Allison, Georgia Department of Natural Resources, Bugwood.org

oriental bittersweet

 


Phragmites

Photo credit: Leslie J. Mehrhoff, University of Connecticut, Bugwood.org

Phragmites

 


Purple Loosestrife
Photo credit:Linda Wilson, University of Idaho, Bugwood.org

purple loosestrife

 


Reed Canary Grass

Reed Canary Grass

 

 


Russian & Autumn Olive
Photo credit: Steve Dewey, Utah State University, Bugwood.org

Russian olive

 


Siberian Elm

Siberian Elm

 

Spotted Knapweed

Photo credit: Rob Routledge, Sault College, Bugwood.org

SpottedKnapweed3 517404 7

 


Sweet Clover

Photo credit: University of Alaska – Anchorage , University of Alaska – Anchorage, Bugwood.org

white sweet clover

Photo credit: Tom Heutte, USDA Forest Service, Bugwood.org

Yellow sweet clover

 


Teasel

Teasel

 

 


Thistle

Canada thistle blossom 7 17

 


Wild Parsnip

parsnip flowering and forming seed 7 17