Northwoods Cooperative Weed Management Area
Northwoods Cooperative Weed Management Area

Information on NCWMA Invasive Species

Invasive non-native plants can have devastating impacts on fish and wildlife habitat, timber and agricultural yields, recreational opportunities, native plant communities, and local economies. 

 

Because these invasive plants disperse widely across the landscape and across property boundaries, it makes sense to work together to manage them. In addition, the number of new invasive species being introduced into local ecosystems continues to out-pace control activities, and is too much for any one agency or person to manage alone.

Click below for information on a number of common invasive species in the NCWMA area:

 

Invasive Bushes

Buckthorns (Common or glossy buckthorn)

Honey suckles (Eurasian species)

Japanese Barberry

 

Invasive terrestrial plants (non-woody)

Garlic Mustard

Knotweeds (Japanese or Giant Knotweed)

Spotted Knapweed

Spurge (Leafy or Cypress)

Teasel (Cut-leaf teasel or common teasel)

Thistle (Canada thistle)

 

Invasive aquatic plants

Eurasian Water-Milfoil

Phragmites (Common Reed)

Purple Loosetrife

Reed Canary Grass

Yellow Iris

 

 

See the Wisconsin DNR Invasive Species page for more information on terrestrial and aquatic invasive species.

Identifying and Treating Invasive Species

Alert!

Emerald Ash Borer has now been found in the City of Superior reslulting in a quarantine for Douglas County.  See the City's EAB page for more information.

Another new invader to northwest Wisconsin has been found in SW Ashland County, Japanese hedge-parsley.  If you find any evidence of this plant or the emerald ash borer, please contact us.

Emerald Ash Borer information

Japanese Hedge-Parsley information

Want more information on these and other invasive plant species in Wisconsin?  Click here to go to the Field Guide to Terrestrial Invasive Plants in Wisconsin.  You can also get a copy of this field guide free of charge from the NCWMA while supplies last.  Please contact us to receive a copy.

Try out the Midwest Invasive Species Network's Invasive Plant Control Database to learn how to control specific invasive species.

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