Invasive terrestrial plants

Why should I care about invasive plants?

Management recommendations

Try the interactive Invasive Plant Control Database (by the Midwest Invasive Plant Network and the University of Wisconsin). It allows you to specify the species of interest, the time of year of treatment, the habitat, and other customizations.

Plant disposal recommendations

See the Minnesota Department of Agriculture's Guide to Removal and Disposal of Noxious Weeds in Minnesota.

Identification guides

Invasive terrestrial plants

This is an educational list of plants that can be invasive in natural areas.  Some plants are regulated by the Minnesota Department of Agriculture as Noxious Weeds and that is noted in their descriptions.

*Indicates early detection of invasive terrestrial plants

Amur maple

Amur silver grass

Birdsfoot trefoil

Black locust

Black swallow-wort*

British yellowhead*


Bull thistle

Butter and eggs

Canada thistle

Common tansy

Common teasel*

Cow vetch and hairy vetch

Creeping Charlie

Crown vetch or axseed

Cut-leaved teasel*

Dalmatian toadflax*

Exotic honeysuckles

Garlic mustard

Giant hogweed*

Grecian foxglove*

Hoary alyssum

Japanese barberry

Japanese hedge parsley*

Japanese hops*

Japanese knotweed

Leafy spurge

Meadow knapweed*

Multiflora rose

Musk or nodding thistle

Narrowleaf bittercress*

Norway maple

Orange hawkweed

Oriental bittersweet*

Oxeye daisy

Perennial sow thistle

Poison hemlock

Queen Ann's lace

Reed canary grass

Russian olive

Siberian elm

Siberian peashrub

Smooth brome grass

Spotted knapweed

Tree of heaven*

White and yellow sweet clover

Wild parsnip

Yellow iris

Yellow star thistle*